Ropinirole

Drug ingredient

CAS 91374-21-9

This chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.

Molecular structure of 91374-21-9
US productionNot reported
Import value, 2024$907M
Top sourceIreland 47%

This chemical is not on EPA’s Toxic Substances Control Act inventory, the list behind EPA’s production survey.

Why supply is unknown

Production is reported production, not a complete census of factories. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 293379 · basket

These shares come from HS customs code 293379, which covers 105 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
IE 47%IrelandBE 19%BelgiumSG 11%SingaporeIT 4%ItalyCH 4%Switzerland
2 FDA-registered drug labelers
Neuland Laboratories Limited
Solco Healthcare US, LLC

Why It Matters

Sectors
Health
Downstream Uses

Appears in 1 drug and cosmetic product listings (FDA).

  • •Ropinirole
FDA Shortage Status
No FDA shortage records

Vendor Pricing

$106.40/gA2B Chem LLC
CountryUnited States
Pack$532.00 / 5 g
Purity98%
Vendors10 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

Chemical Identity

CAS91374-21-9
PubChem CID5095
DTXSIDDTXSID8045195
FormulaC16H24N2O
Mol. Weight260.37 g/mol
SMILESCCCN(CCC)CCC1=C2CC(=O)NC2=CC=C1

Data Sources

Brief citations

Ropinirole (CAS 91374-21-9) https://chemicalindependence.com/chemical/91374-21-9/ PubChem: 5095. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/5095 FDA National Drug Code directory: CAS 91374-21-9. Retrieved 2026-04-25. https://open.fda.gov/data/ndc/ FDA National Drug Code directory: bulk match. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/ US Census international trade: HS 293379 for CAS 91374-21-9. Reporting year: 2024. https://usatrade.census.gov/