HS Code 2935
Sulphonamides (Sulfa Drugs)
HS code 2935 covers sulphonamides, a class of synthetic chemicals primarily used as antibacterial 'sulfa' drugs and industrial chemical intermediates.
4-digit Section VIAir
HS Code 2935 — Sulphonamides (Sulfa Drugs)
Sulphonamides are a group of synthetic organic compounds used primarily as antibiotics (sulfa drugs). They are also used in some diuretics and as a precursor for industrial chemical synthesis.
What's included
- Sulphamethoxazole
- Sulphanilamide
- Tosylamines
What's excluded
- Medicaments containing sulphonamides in retail blister packs → use
3004(Products put up in measured doses for retail sale move to Chapter 30.)
Common examples
- Sulphadiazine (bulk USP grade)
- Chloramine-T
- Sulphamethazine
Frequently asked questions
Are these finished medicines?
No, this heading covers the bulk chemical ingredient. Once processed into tablets or retail packages, they move to 3004.
Trade & shipping notes
- Typical duty range: 0% - 6.5%
- Documentation: Importers usually need a Drug Master File (DMF) or Certificate of Suitability (CEP) for pharma-grade use.
- Typical shipping mode: Air
- Top exporters: India, China, Italy
- Top importers: United States, Germany, Brazil
Related HS codes
Key takeaway
Critically important bulk pharmaceutical ingredients for the generic drug industry.
Related HS codes
Tired of HS code lookups?
CargoMode extracts HS codes directly from commercial invoices, packing lists, and CMRs — no manual lookup, no transcription errors.