Silodosin

Drug ingredient

CAS 160970-54-7

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

US productionNot reported

Import value, 2024$1.4B

Top sourceIreland 33%

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 293399 · basket

These shares come from HS customs code 293399, which covers 518 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 33%IrelandCN 26%ChinaIN 11%IndiaDE 9%GermanyIT 4%Italy

Taiwan
Poland
Canada
Ivory Coast
Greece
Hungary
Indonesia
Latvia
Belgium
Slovakia
Czech Republic
Austria
Netherlands
Finland
Denmark
Croatia
Australia
South Africa
Sweden
Hong Kong
Malta
Singapore
Lithuania
Malaysia
Oman
Serbia

22 FDA-registered drug labelers

Ajanta Pharma USA Inc.

Alembic Pharmaceuticals Inc.

Alembic Pharmaceuticals Limited

Amneal Pharmaceuticals NY LLC

Aurobindo Pharma Limited

AvKARE

Bryant Ranch Prepack

Camber Pharmaceuticals, Inc.

Creekwood Pharmaceuticals LLC

Hetero Drugs Limited

Lupin Pharmaceuticals, Inc.

Macleods Pharmaceuticals Limited

METROCHEM API PRIVATE LIMITED

MSN Laboratories Private Limited

Novadoz Pharmaceuticals LLC

OLON ACTIVE PHARMACEUTICAL INGREDIENTS INDIA PRIVATE LIMITED

PD-Rx Pharmaceuticals, Inc.

Shanghai Huilun Jiangsu Pharmaceutical Co., Ltd.

Shiono Finesse, Ltd.

Sichuan Qingmu Pharmaceutical Co., Ltd.

Swati Spentose Private Limited

Zydus Lifesciences Limited

Why It Matters

Sectors

Health

Downstream Uses

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

•Silodosin

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

CAS160970-54-7

PubChem CID5312125

DTXSIDDTXSID40167045

FormulaC25H32F3N3O4

Mol. Weight495.5 g/mol

SMILESCC(CC1=CC2=C(C(=C1)C(=O)N)N(CC2)CCCO)NCCOC3=CC=CC=C3OCC(F)(F)F

Data Sources

PubChem · compound 5312125Retrieved 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

Silodosin (CAS 160970-54-7) https://chemicalindependence.com/chemical/160970-54-7/ PubChem: 5312125. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/5312125 FDA National Drug Code directory: CAS 160970-54-7. 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 293399 for CAS 160970-54-7. Reporting year: 2024. https://usatrade.census.gov/