1,3-Dihydro-1,3-dioxo-2H-isoindole-2-hexanoic acidCAS 4443-26-9 · import duty, licences and trade rules in India

C14H15NO4 · also called 2H-Isoindole-2-hexanoic acid, 1,3-dihydro-1,3-dioxo-, Phthalimidocapronic acid, 6-phthalimidohexanoic acid, 1,3-Dihydro-1,3-dioxo-2H-isoindole-2-hexanoic acid
OK to trade, but watch: global treaties & export markets.
Import dutyOKAbout 27.73%HS 2925 19 00Rules in IndiaOKNo special Indian ban or licence foundExportOKNo export licence neededSafetyCHECKHazardous: take normal precautions

For trade in India: OK to trade, but watch: global treaties & export markets. Import duty is about 27.73% (tariff item 2925 19 00). DGFT policy: import Free, export Free.

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

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.
  • Import policy (DGFT ITC(HS)) for tariff item 2925 19 00: Free, so no import licence is needed under trade policy.
Source: CIB&RC pesticide lists · CDSCO new drug approvals · NDPS RCS Order 2013 · DGFT ITC(HS) 2022, Schedule 1 Import Policy

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 2925 19 00: Free.
Source: DGFT SCOMET list · NDPS RCS Order 2013 · DGFT ITC(HS) 2022, Schedule 2 Export Policy

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).
  • Registered under EU REACH, so EU importers can buy it under an existing registration.
  • 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).
  • 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 2925 19 00: Imides and their derivatives; salts thereof, other.
  • No Indian tariff line names this chemical. The EU customs inventory (ECICS) classifies it under CN 2925 19 95, which is HS subheading 2925 19; India has one line under that subheading, so this is its line.
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

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

Price and suppliersNO DATA

Not on RasayanXchange yet
  • India imported 1,063 tonnes in 2025-26 (down 47.3% on 2024-25) under tariff item 29251900, “Othr imides and thr drvtvs slts thereof”.
  • India exported 6,384 tonnes in 2025-26 (up 6.7% on 2024-25) under tariff item 29251900, “Othr imides and thr drvtvs slts thereof”.
  • Post a requirement and we will find suppliers for you.
Source: RasayanXchange market data · Export Import Data Bank, Department of Commerce (DGCI&S)

Key facts

CAS number4443-26-9
FormulaC14H15NO4
Also called2H-Isoindole-2-hexanoic acid, 1,3-dihydro-1,3-dioxo-, Phthalimidocapronic acid, 6-phthalimidohexanoic acid, 1,3-Dihydro-1,3-dioxo-2H-isoindole-2-hexanoic acid
Tariff item (HS)2925 19 00
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

Questions about 1,3-Dihydro-1,3-dioxo-2H-isoindole-2-hexanoic acid

What is the import duty on 1,3-Dihydro-1,3-dioxo-2H-isoindole-2-hexanoic acid in India?

The total import duty on 1,3-Dihydro-1,3-dioxo-2H-isoindole-2-hexanoic acid is about 27.73% of the import value under tariff item 2925 19 00, including basic customs duty, the social welfare surcharge and IGST. Check the latest notifications before you import.

Is there anti-dumping duty on 1,3-Dihydro-1,3-dioxo-2H-isoindole-2-hexanoic acid?

No anti-dumping duty on 1,3-Dihydro-1,3-dioxo-2H-isoindole-2-hexanoic acid was found in the Customs (ADD) notifications in force.

What is the HS code (tariff item) of 1,3-Dihydro-1,3-dioxo-2H-isoindole-2-hexanoic acid in India?

1,3-Dihydro-1,3-dioxo-2H-isoindole-2-hexanoic acid falls under tariff item 2925 19 00 of the Customs Tariff of India.

Is 1,3-Dihydro-1,3-dioxo-2H-isoindole-2-hexanoic 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.

Can 1,3-Dihydro-1,3-dioxo-2H-isoindole-2-hexanoic acid be imported freely into India?

Under DGFT's ITC(HS) import policy, 1,3-Dihydro-1,3-dioxo-2H-isoindole-2-hexanoic acid is Free.

Does exporting 1,3-Dihydro-1,3-dioxo-2H-isoindole-2-hexanoic acid from India need a licence?

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

Is 1,3-Dihydro-1,3-dioxo-2H-isoindole-2-hexanoic acid hazardous?

Hazardous: take normal precautions. Irritates skin, eyes or breathing. Harmful if swallowed. May cause an allergic skin reaction.

Is 1,3-Dihydro-1,3-dioxo-2H-isoindole-2-hexanoic 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). Registered under EU REACH, so EU importers can buy it under an existing registration.

(1E)-1-[amino-(4-chloroanilino)methylidene]-2-propan-2-ylguanidine;hydrochloride(p-Methoxybenzylidene)-p-butylaniline(R)-Thalidomide(S)-Thalidomide1,1'-(Methylenedi-p-phenylene)bismaleimide1,1'-Hexamethylenebis[5-(p-chlorophenyl)biguanide] diacetate1,1,3,3-Tetramethylguanidine1,2,3,6-Tetrahydrophthalimide1,2,3-Triphenylguanidine1,3-Benzenedisulfonic acid, 4-[[4-(ethylamino)-3-methylphenyl][4-(ethylimino)-3-methyl-2,5-cyclohexadien-1-ylidene]methyl]-, sodium salt (1:1)1,4-Phenylenebismaleimide1,6-Bismaleimidohexane

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