Leptomycin BCAS 87081-35-4 · import duty, licences and trade rules in India

C33H48O6 · also called Elactocin, Antibiotic CL 1957A, CHEBI:52646, (2E,5S,6R,7S,9R,10E,12E,15R,16Z,18E)-17-ethyl-6-hydroxy-3,5,7,9,11,15-hexamethyl-19-((2S,3S)-3-methyl-6-oxo-3,6-dihydro-2H-pyran-2-yl)-8-oxononadeca-2,10,12,16,18-pentaenoic acid
OK to trade, but watch: global treaties & export markets.
Import dutyOKAbout 27.73%HS 2941 90 (subheading)Rules in IndiaOKNo special Indian ban or licence foundExportOKNo export licence neededSafetyCHECKDangerous: handle with proper protection

Leptomycin B is a leptomycin having a (2E,10E,12E,16Z,18E)-double bond configuration as well as an ethyl substituent at position 17. For trade in India: OK to trade, but watch: global treaties & export markets. Import duty is about 27.73% (tariff item 2941 90 (subheading)).

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

Run the live check Open in Compound Workspace Search RasayanXchange

What Leptomycin B is, its uses, properties and related chemicals: Leptomycin B on ChemXpress →

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
  • About ₹27,730 duty on every ₹1,00,000 of import value (CIF).
  • The EU customs inventory (ECICS) classifies it under CN 2941 90 00, so its HS subheading is 2941 90.
  • India splits subheading 2941 90 into 11 lines: 2941 90 11 (Rifampicin and its salts › Rifampicin); 2941 90 12 (Rifampicin and its salts › 3 Formyl Rifa S V(Rifa int)); 2941 90 13 (Rifampicin and its salts › Rifa S or Rifa S Sodium (Rifaint)); 2941 90 14 (Rifampicin and its salts › 1-Amino-4-Methyl piperazine (Rifaint)); 2941 90 19 (Rifampicin and its salts › Other); 2941 90 20 (Other › Cephalexin and its salts); 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" (2941 90 19, 2941 90 90).
  • Confirm the exact 8-digit line with your customs broker before you import.

SafetyCHECK

Dangerous: handle with proper protection
  • Catches fire easily
  • Poisonous, even in small amounts
  • Can cause long-term health damage
  • Highly flammable liquid and vapor
  • Toxic if swallowed
  • Toxic in contact with skin
  • Toxic if inhaled
  • Causes damage to organs
  • 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 number87081-35-4
FormulaC33H48O6
Also calledElactocin, Antibiotic CL 1957A, CHEBI:52646, (2E,5S,6R,7S,9R,10E,12E,15R,16Z,18E)-17-ethyl-6-hydroxy-3,5,7,9,11,15-hexamethyl-19-((2S,3S)-3-methyl-6-oxo-3,6-dihydro-2H-pyran-2-yl)-8-oxononadeca-2,10,12,16,18-pentaenoic acid
Tariff item (HS)2941 90 (subheading)
Total import dutyabout 27.73%
Anti-dumping duty (most producers)None found
SCOMET (export control)Not listed
NDPS / precursorNot listed

Questions about Leptomycin B

What is the import duty on Leptomycin B in India?

The total import duty on Leptomycin B is about 27.73% of the import value under tariff item 2941 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 Leptomycin B?

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

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

Leptomycin B falls under HS subheading 2941 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 Leptomycin B 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 Leptomycin B from India need a licence?

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

Is Leptomycin B hazardous?

Dangerous: handle with proper protection. Catches fire easily. Poisonous, even in small amounts. Can cause long-term health damage.

Is Leptomycin B 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.