(S)-2-methylbutanoic acidCAS 1730-91-2 · import duty, licences and trade rules in India

C5H10O2 · also called (S)-2-methylbutanoic acid, (2S)-2-methylbutanoic acid, (S)-2-methylbutyric acid, 2-Methylbutyric acid, (S)-
OK to trade, but watch: global treaties & export markets.
Import dutyOKAbout 27.73%HS 2915 90 (subheading)Rules in IndiaOKNo special Indian ban or licence foundExportOKNo export licence neededSafetyCHECKDangerous: handle with proper protection

(S)-2-methylbutyric acid is the (S)-enantiomer of 2-methylbutanoic acid. For trade in India: OK to trade, but watch: global treaties & export markets. Import duty is about 27.73% (tariff item 2915 90 (subheading)).

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.
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).
  • The EU customs inventory (ECICS) classifies it under CN 2915 90 90, so its HS subheading is 2915 90.
  • India splits subheading 2915 90 into 11 lines: 2915 90 10 (Other › Acetyl chloride); 2915 90 40 (Other › Pivaloyl chloride); 2915 90 50 (Other › N-valeryl chloride); 2915 90 60 (Other › N-octanoyl chloride); 2915 90 70 (Other › Neodecanoyl chloride); 2915 90 91 (Other › Hexoic acid (caproic acid)); and 5 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" (2915 90 99).
  • Confirm the exact 8-digit line 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) · EU customs inventory of chemicals (ECICS), European Commission

SafetyCHECK

Dangerous: handle with proper protection
  • Burns skin and eyes, eats into metal
  • Causes severe skin burns and eye damage
  • 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

Key facts

CAS number1730-91-2
FormulaC5H10O2
Also called(S)-2-methylbutanoic acid, (2S)-2-methylbutanoic acid, (S)-2-methylbutyric acid, 2-Methylbutyric acid, (S)-
Tariff item (HS)2915 90 (subheading)
Total import dutyabout 27.73%
Anti-dumping duty (most producers)None found
SCOMET (export control)Not listed
NDPS / precursorNot listed

Questions about (S)-2-methylbutanoic acid

What is the import duty on (S)-2-methylbutanoic acid in India?

The total import duty on (S)-2-methylbutanoic acid is about 27.73% of the import value under tariff item 2915 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)-2-methylbutanoic acid?

No anti-dumping duty on (S)-2-methylbutanoic acid was found in the Customs (ADD) notifications in force.

What is the HS code (tariff item) of (S)-2-methylbutanoic acid in India?

(S)-2-methylbutanoic acid falls under HS subheading 2915 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)-2-methylbutanoic acid 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 (S)-2-methylbutanoic acid from India need a licence?

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

Is (S)-2-methylbutanoic acid hazardous?

Dangerous: handle with proper protection. Burns skin and eyes, eats into metal. Causes severe skin burns and eye damage. Always read the supplier’s safety data sheet (SDS) before handling.

Is (S)-2-methylbutanoic acid 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.

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