MahanimbineCAS 21104-28-9 · import duty, licences and trade rules in India
Mahanimbine is a member of carbazoles. For trade in India: OK to trade, but watch: global treaties & export markets. Import duty is about 27.73% (tariff item 2934 (estimate)).
Checked 2026-11-12 against official Indian and international lists. Sources are given under each answer.
What Mahanimbine is, its uses, properties and related chemicals: Mahanimbine on ChemXpress →
Every answer, with its source
Rules in IndiaOK
- Not on the Indian banned-pesticide, drug-precursor, narcotic, psychotropic or new-drug lists we check.
- Normal factory, storage and GST rules still apply.
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 marketsCHECK
- 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 ₹27,730 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: 2934, nucleic acids and other heterocyclic compounds (ring containing N and O).
- All lines under heading 2934 pay basic customs duty 7.5%; with social welfare surcharge and IGST 18% that makes about 27.73%.
- No 8-digit line under heading 2934 names it, so it falls under one of its "Other" lines: 2934 92 00 (Other › Other fentanyls and their derivatives); 2934 99 90 (Other › Other). The other 7 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.
SafetyCHECK
- Irritates skin, eyes or breathing
- Harmful if swallowed
- Causes serious eye irritation
- May cause long lasting harmful effects to aquatic life
- 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 | 21104-28-9 |
|---|---|
| Formula | C23H25NO |
| Also called | 3,5-dimethyl-3-(4-methylpent-3-enyl)-11H-pyrano[3,2-a]carbazole, 3,5-dimethyl-3-(4-methylpent-3-enyl)-11H-pyrano(3,2-a)carbazole, RefChem:800715, (+)-Mahanimbine |
| Tariff item (HS) | 2934 (estimate) |
| Total import duty | about 27.73% |
| Anti-dumping duty (most producers) | None found |
| SCOMET (export control) | Not listed |
| NDPS / precursor | Not listed |
Questions about Mahanimbine
What is the import duty on Mahanimbine in India?
The total import duty on Mahanimbine is about 27.73% of the import value under tariff item 2934 (estimate), including basic customs duty, the social welfare surcharge and IGST. Check the latest notifications before you import.
Is there anti-dumping duty on Mahanimbine?
No anti-dumping duty on Mahanimbine was found in the Customs (ADD) notifications in force.
What is the HS code (tariff item) of Mahanimbine in India?
Mahanimbine falls under tariff item 2934 (estimate) of the Customs Tariff of India.
Is Mahanimbine 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 Mahanimbine from India need a licence?
No export licence needed. Not on the SCOMET export-control list or the precursor export list.
Is Mahanimbine hazardous?
Hazardous: take normal precautions. Irritates skin, eyes or breathing. Harmful if swallowed. Causes serious eye irritation.
Is Mahanimbine 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.
Related chemicals
Guidance from official lists, not legal advice. Rules change; confirm with DGFT, customs or the regulator before you trade.