darunavir ethanolate

Drug ingredient

CAS 635728-39-1

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

Molecular structure of 635728-39-1
US productionNot reported
Top sourceNo public record

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

Why supply is unknown

Where It Comes From

EPA and Census publish no US supply data for this chemical.

9 FDA-registered drug labelers
A-S Medication Solutions
Chromo Laboratories India Private Limited
Cipla Ltd.
JANSSEN ORTHO LLC
Janssen Pharmaceutical Sciences Unlimited Company
Janssen Products LP
Lupin Pharmaceuticals, Inc.
MSN Life Sciences Private Limited
Porton Pharma Solutions Ltd

Why It Matters

Sectors
Health
Downstream Uses

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

  • •Prezcobix
  • •Prezcobix PED
  • •Prezista
  • •Darunavir
FDA Shortage Status
No FDA shortage records

Chemical Identity

CAS635728-39-1
PubChem CID23725083
DTXSIDDTXSID70979794
FormulaC29H43N3O8S
Mol. Weight593.7 g/mol
SMILESCCO.CC(C)CN(CC(C(CC1=CC=CC=C1)NC(=O)OC2COC3C2CCO3)O)S(=O)(=O)C4=CC=C(C=C4)N

Data Sources

Brief citations

darunavir ethanolate (CAS 635728-39-1) https://chemicalindependence.com/chemical/635728-39-1/ PubChem: 23725083. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/23725083 FDA National Drug Code directory: CAS 635728-39-1. 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/