Isoniazid (CAS 54-85-3): import duty, licences and trade rules in India

Isoniazide is a carbohydrazide obtained by formal condensation between pyridine-4-carboxylic acid and hydrazine. For trade in India: OK to trade, but watch: rules in India. Import duty is about 27.73% (tariff item 2928 00 10). DGFT policy: import Free, export Free. Drug schedule: H1.

OK to trade, but watch: rules in India.

Checked 2026-10-31 against official Indian and international lists. Sources are given under each answer.

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Key facts

CAS number54-85-3
FormulaC6H7N3O
Also calledIsonicotinic acid hydrazide, Isonicotinohydrazide, pyridine-4-carbohydrazide, Isoniazide
Tariff item (HS)2928 00 10
Total import dutyabout 27.73%
Anti-dumping duty (most producers)None found
DGFT import policyFree
DGFT export policyFree
SCOMET (export control)Not listed
NDPS / precursorNot listed
Drug scheduleH1

Every answer, with its source

Rules in IndiaCHECK

Prescription drug: drug licence needed
  • A medicine containing it was approved by CDSCO in 2021: Rifapentine bulk and FDC of Isoniazid and Rifapntine (300mg/300mg).
  • Making or selling medicines needs a drug licence.
  • Import policy (DGFT ITC(HS)) for tariff item 2928 00 10: Free, so no import licence is needed under trade policy.
  • A Schedule H1 prescription drug: sold only on prescription, and the pharmacist must record each sale (prescriber, patient, quantity) and keep the register for three years. (Drugs and Cosmetics Rules, 1945; salts and preparations are covered too.)
Source: CIB&RC pesticide lists · CDSCO new drug approvals · NDPS RCS Order 2013 · DGFT ITC(HS) 2022, Schedule 1 Import Policy · Drugs and Cosmetics Rules 1945, Schedules H, H1 and X

Exporting from IndiaOK

No export licence needed
  • Not on the SCOMET export-control list or the precursor export list.
  • The buyer’s country may still have its own import rules.
  • Export policy (DGFT ITC(HS)) for tariff item 2928 00 10: Free.
Source: DGFT SCOMET list · NDPS RCS Order 2013 · DGFT ITC(HS) 2022, Schedule 2 Export Policy

Global treaties & export marketsOK

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.
  • Active on the US TSCA Inventory, so it can be imported into the US without a new-chemical notice.
Source: Stockholm Convention, all listed POPs · Rotterdam Convention Annex III · Montreal Protocol annexes (ozone layer, Kigali HFCs) · US EPA TSCA Inventory · ECHA REACH lists, as published in PubChem

Import dutyOK

About 27.73% of the import value
  • About ₹27,730 duty on every ₹1,00,000 of import value (CIF).
  • Made up of basic customs duty 7.5%, social welfare surcharge 0.75% and IGST 18%. IGST can usually be claimed back as input tax credit.
  • Tariff item 2928 00 10: Isoniazid.
Source: Customs Tariff of India, CBIC · Notification 45/2025-Customs · Notification 9/2025-Integrated Tax (Rate)

SafetyCHECK

Hazardous: take normal precautions
  • Irritates skin, eyes or breathing
  • Harmful if swallowed
  • Causes skin irritation
  • Always read the supplier’s safety data sheet (SDS) before handling.
Source: PubChem GHS classification

Price and suppliersNO DATA

Not on RasayanXchange yet
  • Post a requirement and we will find suppliers for you.
Source: RasayanXchange market data

US patentsOK

US patents have expired
  • Generic versions can be sold in the US.
  • Indian patents are not checked.
Source: FDA Orange Book

Questions about Isoniazid

What is the import duty on Isoniazid in India?

The total import duty on Isoniazid is about 27.73% of the import value under tariff item 2928 00 10, including basic customs duty, the social welfare surcharge and IGST. Check the latest notifications before you import.

Is there anti-dumping duty on Isoniazid?

No anti-dumping duty on Isoniazid was found in the Customs (ADD) notifications in force.

What is the HS code (tariff item) of Isoniazid in India?

Isoniazid falls under tariff item 2928 00 10 of the Customs Tariff of India.

Is Isoniazid restricted or licensed in India?

Prescription drug: drug licence needed. A medicine containing it was approved by CDSCO in 2021: Rifapentine bulk and FDC of Isoniazid and Rifapntine (300mg/300mg). Making or selling medicines needs a drug licence.

Can Isoniazid be imported freely into India?

Under DGFT's ITC(HS) import policy, Isoniazid is Free.

Does exporting Isoniazid from India need a licence?

No export licence needed. Not on the SCOMET export-control list or the precursor export list.

Is Isoniazid hazardous?

Hazardous: take normal precautions. Irritates skin, eyes or breathing. Harmful if swallowed. Causes skin irritation.

Is Isoniazid 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

1,2-Bis(3,5-di-tert-butyl-4-hydroxyhydrocinnamoyl)hydrazine2-Butanone oxime, (E)-2-Ethylhexyl nitrateAcetylphenylhydrazineAdipic DihydrazideBifenazateCarbidopa monohydrateCyclohexanone OximeCyflufenamidCymoxanilDiethylhydroxylamineDimethylglyoxime

Guidance from official lists, not legal advice. Rules change; confirm with DGFT, customs or the regulator before you trade.