{
  "summary": "The United States tariff splits HS 2933.59 (compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure: Other) into 13 national lines: 2933.59.10.00 (herbicides), 2933.59.15.00 (other), 2933.59.18.00 (other), 2933.59.21.00 (antihistamines, including those principally used as anti-nauseants) and 9 others.",
  "updatedAt": "2026-10-09",
  "facts": [
    {
      "label": "HS subheading",
      "value": "2933.59",
      "source": null,
      "url": "https://border.bot/hs-codes/293359"
    },
    {
      "label": "National lines",
      "value": "13",
      "source": null
    },
    {
      "label": "Tariff",
      "value": "United States",
      "source": "https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false",
      "url": "https://border.bot/countries/united-states"
    },
    {
      "label": "Chapter",
      "value": "29: Organic chemicals",
      "source": null
    }
  ],
  "faq": [
    {
      "question": "How many national tariff lines does the United States tariff have under HS 2933.59?",
      "answer": "The United States tariff splits HS 2933.59 (compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure: Other) into 13 national lines: 2933.59.10.00 (herbicides), 2933.59.15.00 (other), 2933.59.18.00 (other), 2933.59.21.00 (antihistamines, including those principally used as anti-nauseants) and 9 others."
    }
  ],
  "sections": [
    {
      "id": "covers",
      "title": "United States lines under 2933.59",
      "text": [
        "The United States tariff splits HS 2933.59 (compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure: Other) into 13 national lines: 2933.59.10.00 (herbicides), 2933.59.15.00 (other), 2933.59.18.00 (other), 2933.59.21.00 (antihistamines, including those principally used as anti-nauseants) and 9 others."
      ]
    },
    {
      "id": "other-countries",
      "title": "In other countries",
      "text": [
        "No other national tariff on border.bot has live lines under 2933.59 yet."
      ]
    },
    {
      "id": "sources",
      "title": "Sources and updates",
      "text": [
        "The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.",
        "The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.",
        "The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.",
        "This page was last updated on 9 October 2026.",
        "Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling."
      ]
    }
  ],
  "data": {
    "type": "country-subheading",
    "country": {
      "code": "US",
      "name": "United States",
      "slug": "united-states"
    },
    "schedule": {
      "code": "US",
      "name": "United States",
      "slug": "united-states"
    },
    "borrowed": false,
    "localTaxes": [],
    "localDeminimis": [],
    "ratesLive": true,
    "provenance": [
      {
        "dataset": "US:hs",
        "country": "US",
        "kind": "hs",
        "seq": 1,
        "version": "2026HTSRev21",
        "liveAt": "2026-10-09T21:15:50.043Z",
        "origin": "source",
        "sourceUrls": [
          "https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false"
        ]
      },
      {
        "dataset": "US:rates",
        "country": "US",
        "kind": "rates",
        "seq": 1,
        "version": "2026HTSRev21",
        "liveAt": "2026-10-09T21:15:36.287Z",
        "origin": "source",
        "sourceUrls": [
          "https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false"
        ]
      },
      {
        "dataset": "US:programmes",
        "country": "US",
        "kind": "programmes",
        "seq": 1,
        "version": "2026HTSRev21",
        "liveAt": "2026-10-09T21:15:58.040Z",
        "origin": "source",
        "sourceUrls": [
          "https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false"
        ]
      }
    ],
    "dateModified": "2026-10-09T21:15:58.040Z",
    "chapter": {
      "code": "29",
      "description": "Organic chemicals"
    },
    "heading": {
      "code": "2933",
      "description": "Heterocyclic compounds with nitrogen hetero-atom(s) only"
    },
    "subheading": {
      "code": "293359",
      "description": "Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure: Other"
    },
    "lines": [
      {
        "code": "2933591000",
        "description": "Herbicides",
        "levels": [
          "Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure",
          "Other",
          "Pesticides",
          "Aromatic or modified aromatic",
          "Herbicides"
        ],
        "english": null,
        "keywords": [
          "3-tert-Butyl-5-chloro-6-methyluracil (Terbacil) (CAS No. 5902-51-2)",
          "Sodium 2,6-bis[(4,6-dimethoxypyrimidin-2-yl)oxy]benzoate (Bispyribac-sodium) (CAS No. 125401-92-5)"
        ],
        "lang": "en",
        "general": {
          "code": "2933591000",
          "dutyText": "6.5%",
          "startDate": null,
          "endDate": null,
          "unit": null
        },
        "preferences": [
          {
            "dutyText": "Free",
            "origins": [
              {
                "code": "A",
                "label": "a group of origins (origin group A)"
              },
              {
                "code": "AU",
                "label": "United States-Australia Free Trade Agreement"
              },
              {
                "code": "BH",
                "label": "United States-Bahrain Free Trade Agreement Implementation Act"
              },
              {
                "code": "CL",
                "label": "United States-Chile Free Trade Agreement"
              },
              {
                "code": "CO",
                "label": "United States-Colombia Trade Promotion Agreement Implementation Act"
              },
              {
                "code": "D",
                "label": "African Growth and Opportunity Act"
              },
              {
                "code": "E",
                "label": "Caribbean Basin Economic Recovery Act"
              },
              {
                "code": "IL",
                "label": "United States-Israel Free Trade Area"
              },
              {
                "code": "JO",
                "label": "United States-Jordan Free Trade Area Implementation Act"
              },
              {
                "code": "KR",
                "label": "United States-Korea Free Trade Agreement Implementation Act"
              },
              {
                "code": "MA",
                "label": "United States-Morocco Free Trade Agreement Implementation Act"
              },
              {
                "code": "OM",
                "label": "United States-Oman Free Trade Agreement Implementation Act"
              },
              {
                "code": "P",
                "label": "Dominican Republic-Central America-United States Free Trade Agreement"
              },
              {
                "code": "PA",
                "label": "United States-Panama Trade Promotion Agreement Implementation Act"
              },
              {
                "code": "PE",
                "label": "United States-Peru Trade Promotion Agreement Implementation Act"
              },
              {
                "code": "S",
                "label": "United States-Mexico-Canada Agreement"
              },
              {
                "code": "SG",
                "label": "United States-Singapore Free Trade Agreement"
              }
            ]
          }
        ],
        "measures": [],
        "restrictions": []
      },
      {
        "code": "2933591500",
        "description": "Other",
        "levels": [
          "Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure",
          "Other",
          "Pesticides",
          "Aromatic or modified aromatic",
          "Other"
        ],
        "english": null,
        "keywords": [
          "Methyl (2E)-2-(2-{[6-(2-cyanophenoxy)pyrimidin-4- yl]oxy}phenyl)-3-methoxyacrylate (Azoxystrobin) (CAS No. 131860-33-8)",
          "4-Cyclopropyl-6-methyl-N-phenylpyrimidin-2-amine (Cyprodinil) (CAS No. 121552-61-2)",
          "N-(4,6-Dimethylpyrimidin-2-yl)aniline (Pyrimethanil) (CAS No. 53112-28-0)",
          "N-Benzyl-3H-purin-6-amine (Benzyladenine) (CAS No.1214-39-7)",
          "5-Ethyl-6-octyl[1,2,4]triazolo[1,5-a]pyrimidin-7-amine (Ametoctradin) (CAS No. 865318-97-4)"
        ],
        "lang": "en",
        "general": {
          "code": "2933591500",
          "dutyText": "6.5%",
          "startDate": null,
          "endDate": null,
          "unit": null
        },
        "preferences": [
          {
            "dutyText": "Free",
            "origins": [
              {
                "code": "A",
                "label": "a group of origins (origin group A)"
              },
              {
                "code": "AU",
                "label": "United States-Australia Free Trade Agreement"
              },
              {
                "code": "BH",
                "label": "United States-Bahrain Free Trade Agreement Implementation Act"
              },
              {
                "code": "CL",
                "label": "United States-Chile Free Trade Agreement"
              },
              {
                "code": "CO",
                "label": "United States-Colombia Trade Promotion Agreement Implementation Act"
              },
              {
                "code": "D",
                "label": "African Growth and Opportunity Act"
              },
              {
                "code": "E",
                "label": "Caribbean Basin Economic Recovery Act"
              },
              {
                "code": "IL",
                "label": "United States-Israel Free Trade Area"
              },
              {
                "code": "JO",
                "label": "United States-Jordan Free Trade Area Implementation Act"
              },
              {
                "code": "KR",
                "label": "United States-Korea Free Trade Agreement Implementation Act"
              },
              {
                "code": "MA",
                "label": "United States-Morocco Free Trade Agreement Implementation Act"
              },
              {
                "code": "OM",
                "label": "United States-Oman Free Trade Agreement Implementation Act"
              },
              {
                "code": "P",
                "label": "Dominican Republic-Central America-United States Free Trade Agreement"
              },
              {
                "code": "PA",
                "label": "United States-Panama Trade Promotion Agreement Implementation Act"
              },
              {
                "code": "PE",
                "label": "United States-Peru Trade Promotion Agreement Implementation Act"
              },
              {
                "code": "S",
                "label": "United States-Mexico-Canada Agreement"
              },
              {
                "code": "SG",
                "label": "United States-Singapore Free Trade Agreement"
              }
            ]
          }
        ],
        "measures": [],
        "restrictions": []
      },
      {
        "code": "2933591800",
        "description": "Other",
        "levels": [
          "Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure",
          "Other",
          "Pesticides",
          "Other"
        ],
        "english": null,
        "keywords": [
          "5-Bromo-3-sec-butyl-6-methyluracil (Bromacil) (CAS No. 314-40-9)",
          "O-(2-Diethylamino-6-methylpyrimidin-4-yl) O,O-dimethyl phosphorothioate (Pirimiphos-methyl) (CAS No. 29232-93-7)",
          "6-Amino-5-chloro-2-cyclopropyl-pyrimidine-4-carboxylic acid (Aminocyclopyrachlor) (CAS No. 858956-08-8)"
        ],
        "lang": "en",
        "general": {
          "code": "2933591800",
          "dutyText": "6.5%",
          "startDate": null,
          "endDate": null,
          "unit": null
        },
        "preferences": [
          {
            "dutyText": "Free",
            "origins": [
              {
                "code": "A",
                "label": "a group of origins (origin group A)"
              },
              {
                "code": "AU",
                "label": "United States-Australia Free Trade Agreement"
              },
              {
                "code": "BH",
                "label": "United States-Bahrain Free Trade Agreement Implementation Act"
              },
              {
                "code": "CL",
                "label": "United States-Chile Free Trade Agreement"
              },
              {
                "code": "CO",
                "label": "United States-Colombia Trade Promotion Agreement Implementation Act"
              },
              {
                "code": "D",
                "label": "African Growth and Opportunity Act"
              },
              {
                "code": "E",
                "label": "Caribbean Basin Economic Recovery Act"
              },
              {
                "code": "IL",
                "label": "United States-Israel Free Trade Area"
              },
              {
                "code": "JO",
                "label": "United States-Jordan Free Trade Area Implementation Act"
              },
              {
                "code": "KR",
                "label": "United States-Korea Free Trade Agreement Implementation Act"
              },
              {
                "code": "MA",
                "label": "United States-Morocco Free Trade Agreement Implementation Act"
              },
              {
                "code": "OM",
                "label": "United States-Oman Free Trade Agreement Implementation Act"
              },
              {
                "code": "P",
                "label": "Dominican Republic-Central America-United States Free Trade Agreement"
              },
              {
                "code": "PA",
                "label": "United States-Panama Trade Promotion Agreement Implementation Act"
              },
              {
                "code": "PE",
                "label": "United States-Peru Trade Promotion Agreement Implementation Act"
              },
              {
                "code": "S",
                "label": "United States-Mexico-Canada Agreement"
              },
              {
                "code": "SG",
                "label": "United States-Singapore Free Trade Agreement"
              }
            ]
          }
        ],
        "measures": [],
        "restrictions": []
      },
      {
        "code": "2933592100",
        "description": "Antihistamines, including those principally used as anti-nauseants",
        "levels": [
          "Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure",
          "Other",
          "Drugs",
          "Aromatic or modified aromatic",
          "Antihistamines, including those principally used as anti-nauseants"
        ],
        "english": null,
        "keywords": [],
        "lang": "en",
        "general": {
          "code": "2933592100",
          "dutyText": "6.5%",
          "startDate": null,
          "endDate": null,
          "unit": null
        },
        "preferences": [
          {
            "dutyText": "Free",
            "origins": [
              {
                "code": "A+",
                "label": "a group of origins (origin group A+)"
              },
              {
                "code": "AU",
                "label": "United States-Australia Free Trade Agreement"
              },
              {
                "code": "BH",
                "label": "United States-Bahrain Free Trade Agreement Implementation Act"
              },
              {
                "code": "CL",
                "label": "United States-Chile Free Trade Agreement"
              },
              {
                "code": "CO",
                "label": "United States-Colombia Trade Promotion Agreement Implementation Act"
              },
              {
                "code": "D",
                "label": "African Growth and Opportunity Act"
              },
              {
                "code": "E",
                "label": "Caribbean Basin Economic Recovery Act"
              },
              {
                "code": "IL",
                "label": "United States-Israel Free Trade Area"
              },
              {
                "code": "JO",
                "label": "United States-Jordan Free Trade Area Implementation Act"
              },
              {
                "code": "KR",
                "label": "United States-Korea Free Trade Agreement Implementation Act"
              },
              {
                "code": "MA",
                "label": "United States-Morocco Free Trade Agreement Implementation Act"
              },
              {
                "code": "OM",
                "label": "United States-Oman Free Trade Agreement Implementation Act"
              },
              {
                "code": "P",
                "label": "Dominican Republic-Central America-United States Free Trade Agreement"
              },
              {
                "code": "PA",
                "label": "United States-Panama Trade Promotion Agreement Implementation Act"
              },
              {
                "code": "PE",
                "label": "United States-Peru Trade Promotion Agreement Implementation Act"
              },
              {
                "code": "S",
                "label": "United States-Mexico-Canada Agreement"
              },
              {
                "code": "SG",
                "label": "United States-Singapore Free Trade Agreement"
              }
            ]
          }
        ],
        "measures": [],
        "restrictions": []
      },
      {
        "code": "2933592200",
        "description": "Nicarbazin; and Trimethoprim",
        "levels": [
          "Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure",
          "Other",
          "Drugs",
          "Aromatic or modified aromatic",
          "Anti-infective agents",
          "Nicarbazin; and Trimethoprim"
        ],
        "english": null,
        "keywords": [],
        "lang": "en",
        "general": {
          "code": "2933592200",
          "dutyText": "6.5%",
          "startDate": null,
          "endDate": null,
          "unit": null
        },
        "preferences": [
          {
            "dutyText": "Free",
            "origins": [
              {
                "code": "A+",
                "label": "a group of origins (origin group A+)"
              },
              {
                "code": "AU",
                "label": "United States-Australia Free Trade Agreement"
              },
              {
                "code": "BH",
                "label": "United States-Bahrain Free Trade Agreement Implementation Act"
              },
              {
                "code": "CL",
                "label": "United States-Chile Free Trade Agreement"
              },
              {
                "code": "CO",
                "label": "United States-Colombia Trade Promotion Agreement Implementation Act"
              },
              {
                "code": "D",
                "label": "African Growth and Opportunity Act"
              },
              {
                "code": "E",
                "label": "Caribbean Basin Economic Recovery Act"
              },
              {
                "code": "IL",
                "label": "United States-Israel Free Trade Area"
              },
              {
                "code": "JO",
                "label": "United States-Jordan Free Trade Area Implementation Act"
              },
              {
                "code": "KR",
                "label": "United States-Korea Free Trade Agreement Implementation Act"
              },
              {
                "code": "MA",
                "label": "United States-Morocco Free Trade Agreement Implementation Act"
              },
              {
                "code": "OM",
                "label": "United States-Oman Free Trade Agreement Implementation Act"
              },
              {
                "code": "P",
                "label": "Dominican Republic-Central America-United States Free Trade Agreement"
              },
              {
                "code": "PA",
                "label": "United States-Panama Trade Promotion Agreement Implementation Act"
              },
              {
                "code": "PE",
                "label": "United States-Peru Trade Promotion Agreement Implementation Act"
              },
              {
                "code": "S",
                "label": "United States-Mexico-Canada Agreement"
              },
              {
                "code": "SG",
                "label": "United States-Singapore Free Trade Agreement"
              }
            ]
          }
        ],
        "measures": [],
        "restrictions": []
      },
      {
        "code": "2933593600",
        "description": "Other",
        "levels": [
          "Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure",
          "Other",
          "Drugs",
          "Aromatic or modified aromatic",
          "Anti-infective agents",
          "Other"
        ],
        "english": null,
        "keywords": [],
        "lang": "en",
        "general": {
          "code": "2933593600",
          "dutyText": "6.5%",
          "startDate": null,
          "endDate": null,
          "unit": null
        },
        "preferences": [
          {
            "dutyText": "Free",
            "origins": [
              {
                "code": "A+",
                "label": "a group of origins (origin group A+)"
              },
              {
                "code": "AU",
                "label": "United States-Australia Free Trade Agreement"
              },
              {
                "code": "BH",
                "label": "United States-Bahrain Free Trade Agreement Implementation Act"
              },
              {
                "code": "CL",
                "label": "United States-Chile Free Trade Agreement"
              },
              {
                "code": "CO",
                "label": "United States-Colombia Trade Promotion Agreement Implementation Act"
              },
              {
                "code": "D",
                "label": "African Growth and Opportunity Act"
              },
              {
                "code": "E",
                "label": "Caribbean Basin Economic Recovery Act"
              },
              {
                "code": "IL",
                "label": "United States-Israel Free Trade Area"
              },
              {
                "code": "JO",
                "label": "United States-Jordan Free Trade Area Implementation Act"
              },
              {
                "code": "KR",
                "label": "United States-Korea Free Trade Agreement Implementation Act"
              },
              {
                "code": "MA",
                "label": "United States-Morocco Free Trade Agreement Implementation Act"
              },
              {
                "code": "OM",
                "label": "United States-Oman Free Trade Agreement Implementation Act"
              },
              {
                "code": "P",
                "label": "Dominican Republic-Central America-United States Free Trade Agreement"
              },
              {
                "code": "PA",
                "label": "United States-Panama Trade Promotion Agreement Implementation Act"
              },
              {
                "code": "PE",
                "label": "United States-Peru Trade Promotion Agreement Implementation Act"
              },
              {
                "code": "S",
                "label": "United States-Mexico-Canada Agreement"
              },
              {
                "code": "SG",
                "label": "United States-Singapore Free Trade Agreement"
              }
            ]
          }
        ],
        "measures": [],
        "restrictions": []
      },
      {
        "code": "2933594600",
        "description": "Antidepressants, tranquilizers and other psychotherapeutic agents",
        "levels": [
          "Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure",
          "Other",
          "Drugs",
          "Aromatic or modified aromatic",
          "Antidepressants, tranquilizers and other psychotherapeutic agents"
        ],
        "english": null,
        "keywords": [],
        "lang": "en",
        "general": {
          "code": "2933594600",
          "dutyText": "6.5%",
          "startDate": null,
          "endDate": null,
          "unit": null
        },
        "preferences": [
          {
            "dutyText": "Free",
            "origins": [
              {
                "code": "A+",
                "label": "a group of origins (origin group A+)"
              },
              {
                "code": "AU",
                "label": "United States-Australia Free Trade Agreement"
              },
              {
                "code": "BH",
                "label": "United States-Bahrain Free Trade Agreement Implementation Act"
              },
              {
                "code": "CL",
                "label": "United States-Chile Free Trade Agreement"
              },
              {
                "code": "CO",
                "label": "United States-Colombia Trade Promotion Agreement Implementation Act"
              },
              {
                "code": "D",
                "label": "African Growth and Opportunity Act"
              },
              {
                "code": "E",
                "label": "Caribbean Basin Economic Recovery Act"
              },
              {
                "code": "IL",
                "label": "United States-Israel Free Trade Area"
              },
              {
                "code": "JO",
                "label": "United States-Jordan Free Trade Area Implementation Act"
              },
              {
                "code": "KR",
                "label": "United States-Korea Free Trade Agreement Implementation Act"
              },
              {
                "code": "MA",
                "label": "United States-Morocco Free Trade Agreement Implementation Act"
              },
              {
                "code": "OM",
                "label": "United States-Oman Free Trade Agreement Implementation Act"
              },
              {
                "code": "P",
                "label": "Dominican Republic-Central America-United States Free Trade Agreement"
              },
              {
                "code": "PA",
                "label": "United States-Panama Trade Promotion Agreement Implementation Act"
              },
              {
                "code": "PE",
                "label": "United States-Peru Trade Promotion Agreement Implementation Act"
              },
              {
                "code": "S",
                "label": "United States-Mexico-Canada Agreement"
              },
              {
                "code": "SG",
                "label": "United States-Singapore Free Trade Agreement"
              }
            ]
          }
        ],
        "measures": [],
        "restrictions": []
      },
      {
        "code": "2933595300",
        "description": "Other",
        "levels": [
          "Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure",
          "Other",
          "Drugs",
          "Aromatic or modified aromatic",
          "Other"
        ],
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