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AZELAIC ACID API | CAS 123-99-9
CAS NO.: 123-99-9
Chemical Formula: C9H16O4
Molecular Weight: 188.2200
DMF&GMP status: Please contact us for more details.
Description:
Azelaic acid is a naturally occurring acid. It helps the skin to renew itself more quickly and therefore reduces pimple and blackhead formation. It also helps to kill the bacteria that cause acne and rosacea.

Azelaic acid topical (for the skin) is used to treat acne and rosacea.
Approvals
Active Ingredient Dosage Form; Route Strength Proprietary Name Applicant
AZELAIC ACIDAEROSOL FOAM; TOPICAL15%FINACEABAYER HLTHCARE
AZELAIC ACID CREAM; TOPICAL 20% AZELEX ALLERGAN
AZELAIC ACID GEL; TOPICAL 15% FINACEA BAYER HLTHCARE
Patent Data
Patent No. Patent Expiration Drug Substance Claim Drug Product Claim Patent Use Code
67302888-Sep-19Y 
7700076 18-Sep-27  Y  
8435498 1-Mar-24    U - 1727
8722021 24-Oct-23  Y  
8900554 24-Oct-23  Y  
9211259 26-Jan-29  U - 1796
9265725 8-Dec-27       Y  
Exclusive Data
Exclusivity Code Exclusivity Expiration
NP 29-Jul-18