Azelastine
CAS 58581-89-8 9 FDA-DMF suppliersSmall Molecule
Overview
Azelastine is a small molecule active pharmaceutical ingredient (ChEMBL CHEMBL639).
API suppliers (17)
Suppliers of Azelastine backed by a verifiable FDA Type II Drug Master File. Source: FDA quarterly DMF list.
- Gedeon RichterHungary1 active DMF
- Ono Pharmaceutical Co., Ltd.Japan1 active DMF
- Gedeon RichterHungary1 active DMF
- MSN Laboratories Private LimitedIndia1 active DMF
- Ono Pharmaceutical Co., Ltd.Japan1 active DMF
- Gedeon RichterHungary1 active DMF
- MSN Laboratories Private LimitedIndia1 active DMF
- Ono Pharmaceutical Co., Ltd.Japan1 active DMF
- Gedeon RichterHungary1 active DMF
- Gedeon RichterHungary1 active DMF
- URQUIMA SA1 active DMF
- Ono Pharmaceutical Co., Ltd.Japan1 active DMF
- URQUIMA SA1 active DMF
- MSN Laboratories Private LimitedIndia1 active DMF
- VIATRIS GMBH AND CO KG
- Jiangsu Hengrui Medicine Co., Ltd.China
- Cipla USA, Inc.USA
Patent & exclusivity (US)
Per the FDA Orange Book (16 approved US products), the latest listed US patent on Azelastine expires 3 Jun 2028. Generic API sourcing typically opens up once these lapse.
Chemical identity
- IUPAC name
- 4-[(4-chlorophenyl)methyl]-2-(1-methylazepan-4-yl)phthalazin-1-one
- Canonical SMILES
- CN1CCCC(CC1)N2C(=O)C3=CC=CC=C3C(=N2)CC4=CC=C(C=C4)Cl
- InChIKey
- MBUVEWMHONZEQD-UHFFFAOYSA-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.