thiothixene

Drug ingredient

CAS 3313-26-6

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

US productionNot reported

Import value, 2024$2.0B

Top sourceIreland 63%

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 293590 · basket

These shares come from HS customs code 293590, which covers 182 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries

Country of origin for US imports, from Census customs data (2024).

IE 63%IrelandSG 14%SingaporeIN 7%IndiaCN 7%ChinaCH 2%Switzerland

Portugal
Spain
Italy
Austria
Israel
Hungary
Canada
South Korea
Netherlands
Finland
Poland
Indonesia
Ukraine
Mexico
South Africa
Croatia
Greece
Taiwan
Hong Kong

6 FDA-registered drug labelers

Amneal Pharmaceuticals NY LLC

ANI Pharmaceuticals, Inc.

Coupler LLC

Fine Chemicals Corporation (PTY) Ltd.

Golden State Medical Supply, Inc.

NURAY CHEMICALS PRIVATE LIMITED

Why It Matters

Sectors

Health

Downstream Uses

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

•thiothixene

FDA Shortage Status

Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."

No FDA shortage records

Chemical Identity

CAS3313-26-6

PubChem CID941651

DTXSIDDTXSID2091542

FormulaC23H29N3O2S2

Mol. Weight443.6 g/mol

SMILESCN1CCN(CC1)CCC=C2C3=CC=CC=C3SC4=C2C=C(C=C4)S(=O)(=O)N(C)C

Data Sources

PubChem · compound 941651Retrieved 2026-04-07
FDA National Drug Code directoryRetrieved 2026-04-25
FDA National Drug Code directoryRetrieved 2026-04-07
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

thiothixene (CAS 3313-26-6) https://chemicalindependence.com/chemical/3313-26-6/ PubChem: 941651. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/941651 FDA National Drug Code directory: CAS 3313-26-6. 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 293590 for CAS 3313-26-6. Reporting year: 2024. https://usatrade.census.gov/