United States tariff line 2935.90.42.00: Salicylazosulfapyridine (Sulfasalazine); Sulfadiazine; Sulfaguanidine; Sulfamerizine; and Sulfapyridine
Last updated
Key facts
- Tariff line
- 2935.90.42.00
- Covers
- Drugs, anti-infective agents, salicylazosulfapyridine (Sulfasalazine); Sulfadiazine; Sulfaguanidine; Sulfamerizine; and Sulfapyridine
- Duty (MFN)
- Free
- Additional duties
- None recorded
- Restrictions
- None recorded
- Tariff
- United States
- HS subheading
- 2935.90
Summary
In the United States tariff, line 2935.90.42.00 covers drugs, anti-infective agents, salicylazosulfapyridine (Sulfasalazine); Sulfadiazine; Sulfaguanidine; Sulfamerizine; and Sulfapyridine. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 2935.90 in heading 29.35 (chapter 29).
What this line covers
In the United States tariff, line 2935.90.42.00 covers drugs, anti-infective agents, salicylazosulfapyridine (Sulfasalazine); Sulfadiazine; Sulfaguanidine; Sulfamerizine; and Sulfapyridine.
Its legal text is “Salicylazosulfapyridine (Sulfasalazine); Sulfadiazine; Sulfaguanidine; Sulfamerizine; and Sulfapyridine”, read under “Other”, “Other”, “Drugs” and “Anti-infective agents”.
How it is structured
It falls under HS subheading 2935.90 in heading 29.35 (chapter 29). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff.
- Chapter 29
- Organic chemicals
- Heading 29.35
- Sulfonamides
- Subheading 2935.90
- Other
- Within the subheading
- Other
- Within the subheading
- Drugs
- Within the subheading
- Anti-infective agents
- Line 2935.90.42.00
- Salicylazosulfapyridine (Sulfasalazine); Sulfadiazine; Sulfaguanidine; Sulfamerizine; and Sulfapyridine
Duty
Goods under this line enter free of general (MFN) duty.
Other lines under 2935.90
- 2935.90.06.004-Amino-6-chloro-m-benzenedisulfonamide and Methyl-4-aminobenzenesulfonylcarbamate (Asulam)
- 2935.90.10.002-Amino-N-ethylbenzenesulfonanilide; 5-Amino-α,α,α-trifluorotoluene-2,4-disulfonamide; Benzenesulfonamide; Benzenesulfonyl hydrazide; 2-Chloro-4-amino-5-hydroxybenzenesulfonamide; 2,5-Dimethoxysulfanilanilide; and Metanilamide
- 2935.90.13.00(5‐[2‐Chloro‐4‐ (trifluoromethyl)phenoxy]‐N‐ (methylsulfonyl)‐2‐nitrobenzamide) (Fomesafen); N‐(2,6‐Dichloro‐3‐ methylphenyl)‐5‐ amino‐1,3,4‐triazole‐2‐sulfonamide; 2,4‐Dichloro‐5‐ sulfamoylbenzoic acid; N‐Ethyl‐o‐ toluenesulfonamide; N‐Ethyl‐p‐toluenesulfonamide; 7-(Hexadecylsulfonylamino) ‐1H‐indole; Methyl 5‐{[(4,6‐dimethoxy‐2‐pyrimidinyl)amino]‐ carbonylaminosulfonyl} ‐3‐chloro‐1‐methyl‐1H‐pyrazole‐4‐carboxylate (Halosulfuron methyl); and Mixtures of ortho‐ and para-toluenesulfonamides
- 2935.90.15.00o-Toluenesulfonamide
- 2935.90.20.00Fast color bases and fast color salts
- 2935.90.29.00Acetylsulfaguanidine
- 2935.90.30.00Sulfamethazine
- 2935.90.32.00Acetylsulfisoxazole; Sulfacetamide, sodium; and Sulfamethazine, sodium
- 2935.90.33.00Sulfathiazole and Sulfathiazole, sodium
- 2935.90.48.00Other
- 2935.90.60.00Other
- 2935.90.75.00Products described in additional U.S. note 3 to section VI
- 2935.90.95.00Other
In other countries
No other national tariff on border.bot has live lines under 2935.90 yet.
Frequently asked questions
What does tariff line 2935.90.42.00 cover in the United States tariff?
In the United States tariff, line 2935.90.42.00 covers drugs, anti-infective agents, salicylazosulfapyridine (Sulfasalazine); Sulfadiazine; Sulfaguanidine; Sulfamerizine; and Sulfapyridine.
What is the general (MFN) duty on 2935.90.42.00 in the United States?
Goods under this line enter free of general (MFN) duty.
Sources and updates
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.
Official source files: