Sulfamethoxypyridazine (CAS 80-35-3): import duty, licences and trade rules in India

Sulfamethoxypyridazine is a sulfonamide consisting of pyridazine having a methoxy substituent at the 6-position and a 4-aminobenzenesulfonamido group at the 3-position. For trade in India: OK to trade, but watch: rules in India; global treaties & export markets. Import duty is about 27.73% (tariff item 2935 (estimate)). Drug schedule: H.

OK to trade, but watch: rules in India; global treaties & export markets.

Checked 2026-10-31 against official Indian and international lists. Sources are given under each answer.

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Key facts

CAS number80-35-3
FormulaC11H12N4O3S
Also calledMidicel, Sulphamethoxypyridazine, Sulfapyridazine, Depovernil
Tariff item (HS)2935 (estimate)
Total import dutyabout 27.73%
Anti-dumping duty (most producers)None found
SCOMET (export control)Not listed
NDPS / precursorNot listed
Drug scheduleH

Every answer, with its source

Rules in IndiaCHECK

Prescription drug: drug licence needed
  • Not on the Indian banned-pesticide, drug-precursor, narcotic, psychotropic or new-drug lists we check.
  • Normal factory, storage and GST rules still apply.
  • A Schedule H prescription drug: medicines containing it are sold only on prescription, and making or selling it needs a drug licence. (Drugs and Cosmetics Rules, 1945; salts and preparations are covered too.)
Source: CIB&RC pesticide lists · CDSCO new drug approvals · NDPS RCS Order 2013 · Drugs and Cosmetics Rules 1945, Schedules H, H1 and X

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 (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: 2935, sulphonamides (sulphonamide group).
  • All lines under heading 2935 pay basic customs duty 7.5%; with social welfare surcharge and IGST 18% that makes about 27.73%.
  • Confirm the exact 8-digit code with your customs broker before you import.
Source: Customs Tariff of India, CBIC · Notification 45/2025-Customs · Notification 9/2025-Integrated Tax (Rate)

SafetyCHECK

Dangerous: handle with proper protection
  • Burns skin and eyes, eats into metal
  • Irritates skin, eyes or breathing
  • Can cause long-term health damage
  • Causes skin irritation
  • May cause an allergic skin reaction
  • Causes serious eye damage
  • May cause allergy or asthma symptoms or breathing difficulties if inhaled
  • May cause respiratory irritation
  • 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

Questions about Sulfamethoxypyridazine

What is the import duty on Sulfamethoxypyridazine in India?

The total import duty on Sulfamethoxypyridazine is about 27.73% of the import value under tariff item 2935 (estimate), including basic customs duty, the social welfare surcharge and IGST. Check the latest notifications before you import.

Is there anti-dumping duty on Sulfamethoxypyridazine?

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

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

Sulfamethoxypyridazine falls under tariff item 2935 (estimate) of the Customs Tariff of India.

Is Sulfamethoxypyridazine restricted or licensed in India?

Prescription drug: drug licence needed. 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 Sulfamethoxypyridazine from India need a licence?

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

Is Sulfamethoxypyridazine hazardous?

Dangerous: handle with proper protection. Burns skin and eyes, eats into metal. Irritates skin, eyes or breathing. Can cause long-term health damage.

Is Sulfamethoxypyridazine 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.