A-83-01CAS 909910-43-6 · import duty, licences and trade rules in India

C25H19N5S · also called Stemolecule A83-01, A8301, RefChem:914857, A 83-01
OK to trade, but watch: global treaties & export markets.
Import dutyOKAbout 27.73%HS 2933 (estimate)Rules in IndiaOKNo special Indian ban or licence foundExportOKNo export licence neededSafetyCHECKHazardous: take normal precautions

3-(6-methylpyridin-2-yl)-N-phenyl-4-(quinolin-4-yl)-1H-pyrazole-1-carbothioamide is an organic molecular entity. For trade in India: OK to trade, but watch: global treaties & export markets. Import duty is about 27.73% (tariff item 2933 (estimate)).

Checked 2026-11-12 against official Indian and international lists. Sources are given under each answer.

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Every answer, with its source

Rules in IndiaOK

No special Indian ban or licence found
  • Not on the Indian banned-pesticide, drug-precursor, narcotic, psychotropic or new-drug lists we check.
  • Normal factory, storage and GST rules still apply.
Source: CIB&RC pesticide lists · CDSCO new drug approvals · NDPS RCS Order 2013

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.
Source: DGFT SCOMET list · NDPS RCS Order 2013

Global treaties & export marketsCHECK

US: new chemical under TSCA
  • 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: EPA needs a premanufacture notice before it can be imported, unless it is a pesticide, drug or food additive, which TSCA does not cover.

Import dutyOK

About 27.73% of the import value (estimate)
  • About ₹27,730 duty on every ₹1,00,000 of import value (CIF).
  • No tariff line names this chemical, so we worked out its likely heading from its structure: 2933, heterocyclic compounds with nitrogen hetero-atom(s) only (ring containing nitrogen).
  • 82 of 88 lines under heading 2933 pay basic customs duty 7.5%; with social welfare surcharge and IGST 18% that makes about 27.73%.
  • No 8-digit line under heading 2933 names it, so it falls under one of its "Other" lines: 2933 19 99 (Other › Other); 2933 29 90 (Other › Other); 2933 34 00 (Compounds containg an unfused pyridine ring (whether or not hydrogenated) in the); 2933 39 29 (Derivatives of pyridine › Other); 2933 39 90 (Other › Other); and 6 more. The other 77 lines are for named chemicals; which "Other" line applies depends on the exact structure.
  • Confirm the exact 8-digit code with your customs broker before you import.
Source: Customs Tariff of India, CBIC · Notification 45/2025-Customs · Notification 02/2026-Customs (Budget 2026) · Finance Act 2026, Fifth Schedule (tariff rates from 1 May 2026) · Notification 9/2025-Integrated Tax (Rate)

SafetyCHECK

Hazardous: take normal precautions
  • Irritates skin, eyes or breathing
  • Harmful if swallowed
  • Causes skin irritation
  • Causes serious eye irritation
  • May cause respiratory irritation
  • Always read the supplier’s safety data sheet (SDS) before handling.

Price and suppliersNO DATA

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

Key facts

CAS number909910-43-6
FormulaC25H19N5S
Also calledStemolecule A83-01, A8301, RefChem:914857, A 83-01
Tariff item (HS)2933 (estimate)
Total import dutyabout 27.73%
Anti-dumping duty (most producers)None found
SCOMET (export control)Not listed
NDPS / precursorNot listed

Questions about A-83-01

What is the import duty on A-83-01 in India?

The total import duty on A-83-01 is about 27.73% of the import value under tariff item 2933 (estimate), including basic customs duty, the social welfare surcharge and IGST. Check the latest notifications before you import.

Is there anti-dumping duty on A-83-01?

No anti-dumping duty on A-83-01 was found in the Customs (ADD) notifications in force.

What is the HS code (tariff item) of A-83-01 in India?

A-83-01 falls under tariff item 2933 (estimate) of the Customs Tariff of India.

Is A-83-01 restricted or licensed in India?

No special Indian ban or licence found. 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 A-83-01 from India need a licence?

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

Is A-83-01 hazardous?

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

Is A-83-01 regulated under global treaties or in the EU and US?

US: new chemical under TSCA. 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.

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