S-(Carboxymethyl)cysteineCAS 25390-17-4 · import duty, licences and trade rules in India
For trade in India: OK to trade, but watch: rules in India. Import duty is about 27.73% (tariff item 2930 90 (subheading)). Drug schedule: H.
Checked 2026-11-12 against official Indian and international lists. Sources are given under each answer.
Every answer, with its source
Rules in IndiaCHECK
- Not on the Indian banned-pesticide, drug-precursor, narcotic, psychotropic or new-drug lists we check.
- Normal factory, storage and GST rules still apply.
- A Schedule H prescription drug: medicines containing it are sold only on prescription, and making or selling it needs a drug licence. (Drugs and Cosmetics Rules, 1945; salts and preparations are covered too.)
Exporting from IndiaOK
- Not on the SCOMET export-control list or the precursor export list.
- The buyer’s country may still have its own import rules.
Global treaties & export marketsOK
- Not listed by the Stockholm Convention (persistent pollutants), the Rotterdam Convention (prior consent before export) or the Montreal Protocol (ozone layer).
- No EU REACH registration found: an EU importer (or your only representative) must register it before importing a tonne or more a year. Medicines and pesticide actives follow their own EU rules.
- Not on the US TSCA Inventory, which does not cover medicines or pesticides; those are regulated by the FDA and EPA (FIFRA).
Import dutyOK
- About ₹27,730 duty on every ₹1,00,000 of import value (CIF).
- The EU customs inventory (ECICS) classifies it under CN 2930 90 16, so its HS subheading is 2930 90.
- India splits subheading 2930 90 into 16 lines: 2930 90 10 (Other › Thiourea (sulphourea)); 2930 90 20 (Other › Calcium salts of methionine); 2930 90 30 (Other › Thio sulphonic acid); 2930 90 40 (Other › L-cystine (alpha-amino beta-thiopropionic acid)-sulphur containing amino); 2930 90 50 (Other › Sulphinic acid); 2930 90 60 (Other › Sulphoxide); and 10 more.
- Basic customs duty 7.5% on every one of them; with social welfare surcharge and IGST 18% that makes about 27.73%.
- Lines that name a chemical are for that chemical; one that no line names goes under "Other" (2930 90 99).
- Confirm the exact 8-digit line with your customs broker before you import.
SafetyCHECK
- Irritates skin, eyes or breathing
- Harmful if swallowed
- Causes serious eye irritation
- Always read the supplier’s safety data sheet (SDS) before handling.
Price and suppliersNO DATA
- Post a requirement and we will find suppliers for you.
Key facts
| CAS number | 25390-17-4 |
|---|---|
| Formula | C5H9NO4S |
| Also called | 5-Amino-3-thiadihexanoic acid, Carbocysteine, DL-, S-(Carboxymethyl)-(RS)-cysteine, DL-3-(Carboxymethylthio)alanine |
| Tariff item (HS) | 2930 90 (subheading) |
| Total import duty | about 27.73% |
| Anti-dumping duty (most producers) | None found |
| SCOMET (export control) | Not listed |
| NDPS / precursor | Not listed |
| Drug schedule | H |
Questions about S-(Carboxymethyl)cysteine
What is the import duty on S-(Carboxymethyl)cysteine in India?
The total import duty on S-(Carboxymethyl)cysteine is about 27.73% of the import value under tariff item 2930 90 (subheading), including basic customs duty, the social welfare surcharge and IGST. Check the latest notifications before you import.
Is there anti-dumping duty on S-(Carboxymethyl)cysteine?
No anti-dumping duty on S-(Carboxymethyl)cysteine was found in the Customs (ADD) notifications in force.
What is the HS code (tariff item) of S-(Carboxymethyl)cysteine in India?
S-(Carboxymethyl)cysteine falls under HS subheading 2930 90, as classified by the EU customs inventory (ECICS). India splits that subheading into several 8-digit lines; confirm the exact line with your customs broker.
Is S-(Carboxymethyl)cysteine restricted or licensed in India?
Prescription drug: drug licence needed. Not on the Indian banned-pesticide, drug-precursor, narcotic, psychotropic or new-drug lists we check. Normal factory, storage and GST rules still apply.
Does exporting S-(Carboxymethyl)cysteine from India need a licence?
No export licence needed. Not on the SCOMET export-control list or the precursor export list.
Is S-(Carboxymethyl)cysteine hazardous?
Hazardous: take normal precautions. Irritates skin, eyes or breathing. Harmful if swallowed. Causes serious eye irritation.
Is S-(Carboxymethyl)cysteine regulated under global treaties or in the EU and US?
No treaty or export-market restriction found. Not listed by the Stockholm Convention (persistent pollutants), the Rotterdam Convention (prior consent before export) or the Montreal Protocol (ozone layer). No EU REACH registration found: an EU importer (or your only representative) must register it before importing a tonne or more a year. Medicines and pesticide actives follow their own EU rules.
Related chemicals
Guidance from official lists, not legal advice. Rules change; confirm with DGFT, customs or the regulator before you trade.