Dutasteride

Drug ingredient

CAS 164656-23-9

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

Molecular structure of 164656-23-9
US productionNot reported
Import value, 2024$154M
Top sourceItaly 60%

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 293729 · basket

These shares come from HS customs code 293729, which covers 57 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
IT 60%ItalyES 14%SpainCN 11%ChinaDE 6%GermanyAT 2%Austria
35 FDA-registered drug labelers
A-S Medication Solutions
Amneal Pharmaceuticals LLC
Aurobindo Pharma Limited
AvKARE
Banyan Pharma LLC
Bryant Ranch Prepack
Camber Pharmaceuticals, Inc.
Catalent Germany Schorndorf GmbH
Catalent Pharma Solutions, LLC
DARMERICA, LLC
Dr. Reddy's Laboratories Limited
Endo USA, Inc.
Epic Pharma, LLC
Glaxo Operations UK Ltd
Hetero Labs Limited
Hubei Gedian Humanwell Pharmaceutical Co.,Ltd
LETCO MEDICAL, LLC
MARKSANS PHARMA LIMITED
Medisca Inc.
MSN Laboratories Private Limited
NuCare Pharmaceuticals, Inc.
Patheon Softgels Inc.
Pharma Source Direct, Inc.
Professional Compounding Centers of America
Proficient Rx LP
SHAKTI LIFESCIENCE PRIVATE LTD
Sterling Chemical Malta Ltd
STERLING SPA
ThermoFisher Scientific Cork
Waylis Therapeutics
Waylis Therapeutics LLC
Willow Birch Pharma, INC.
XLCare Pharmaceuticals, Inc.
Zydus Lifesciences Limited
Zydus Pharmaceuticals USA Inc.

Why It Matters

Sectors
Health
Downstream Uses

Appears in 4 drug and cosmetic product listings (FDA).

  • •Dutasteride
  • •Dutasteride and Tamsulosin Hydrochloride
  • •Avodart
  • •Jalyn
FDA Shortage Status
No FDA shortage records

Chemical Identity

CAS164656-23-9
PubChem CID6918296
DTXSIDDTXSID8046452
FormulaC27H30F6N2O2
Mol. Weight528.5 g/mol
SMILESCC12CCC3C(C1CCC2C(=O)NC4=C(C=CC(=C4)C(F)(F)F)C(F)(F)F)CCC5C3(C=CC(=O)N5)C

Data Sources

Brief citations

Dutasteride (CAS 164656-23-9) https://chemicalindependence.com/chemical/164656-23-9/ PubChem: 6918296. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/6918296 FDA National Drug Code directory: CAS 164656-23-9. 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 293729 for CAS 164656-23-9. Reporting year: 2024. https://usatrade.census.gov/