Naproxen
CAS 22204-53-1 20 FDA-DMF suppliersSmall Molecule
Overview
Naproxen is a small molecule active pharmaceutical ingredient (ChEMBL CHEMBL154).
API suppliers (20)
Suppliers of Naproxen backed by a verifiable FDA Type II Drug Master File. Source: FDA quarterly DMF list.
- Zhejiang Hisun Pharmaceutical Co., Ltd.China3 active DMF
- APITORIA PHARMA PRIVATE LTDIndia2 active DMF
- Dr. Reddy's Laboratories Ltd.India2 active DMF
- SOLARA ACTIVE PHARMA SCIENCES LTD2 active DMF
- DPT Laboratories, Ltd.United States2 active DMF
- TAPI NL BV1 active DMF
- TAPI NL BV1 active DMF
- BLASCHIM SPA
- DINAMITE DIPHARMA SPA
- ZAMBON SPA
- NOBEL CHEMICALS AB DIV FINE CHEMICALS INC
- RALLIS INDIA LTD
- BENZEX LABORATORIES LTD
- Granules India LimitedIndia
- FARCHEMIA SRL
- CORDEN PHARMA BERGAMO SPAItaly
- ALBEMARLE CORP
- HUBEI PHARMACEUTICAL FACTORY
- Natco PharmaIndia
- MYLAN LABORATORIES LTD
Patent & exclusivity (US)
Per the FDA Orange Book (72 approved US products), the latest listed US patent on Naproxen expires 3 Mar 2026. Generic API sourcing typically opens up once these lapse.
Chemical identity
- IUPAC name
- (2S)-2-(6-methoxynaphthalen-2-yl)propanoic acid
- Canonical SMILES
- C[C@@H](C1=CC2=C(C=C1)C=C(C=C2)OC)C(=O)O
- InChIKey
- CMWTZPSULFXXJA-VIFPVBQESA-N
Ready to Accelerate Your
Discovery Workflow?
Find, vet, and source drug-manufacturing partners faster — with FDA compliance screening built in. Start free for 14 days.