84088-99-3

Basic information

• Product Name: N-Ethyl-4-hydroxy-1-methyl-2-oxo-N-phenyl-1,2-dihydroquinoline-3-carboxamide
• Synonyms: deschloro laquinimod;N-ethyl-N-phenyl-1,2-dihydro-4-hydroxy-1-methyl-2-oxoquinoline-3-carboxamide;N-ETHYL-4-HYDROXY-1-METHYL-2-OXO-N-PHENYL-1,2-DIHYDROQUINOLINE-3-CARBOXAMIDE
• CAS NO: 84088-99-3
• Molecular Formula: C₁₉H₁₈N₂O₃
• Molecular Weight: 322.364
• Mol File: 84088-99-3.mol
• Article Data: 2

Chemical Properties

• CAS DataBase Reference: N-Ethyl-4-hydroxy-1-methyl-2-oxo-N-phenyl-1,2-dihydroquinoline-3-carboxamide(CAS DataBase Reference)
• NIST Chemistry Reference: N-Ethyl-4-hydroxy-1-methyl-2-oxo-N-phenyl-1,2-dihydroquinoline-3-carboxamide(84088-99-3)
• EPA Substance Registry System: N-Ethyl-4-hydroxy-1-methyl-2-oxo-N-phenyl-1,2-dihydroquinoline-3-carboxamide(84088-99-3)

Safety Data

• Hazardous Substances Data: 84088-99-3(Hazardous Substances Data)

Upstream product

• 57931-81-4 1,2-dihydro-4-hydroxy-1-methyl-2-oxo-3-quinolinecarboxylic acid 
• 103-69-5 N-ethyl-N-phenylamine 
• 10328-92-4 N-Methylisatoic anhydride 
• 118-48-9 isatoic anhydride 
• 84088-50-6 4-hydroxy-1-methyl-2-oxo-1,2-dihydroquinoline-3-carboxylic acid methyl ester 

Relevant articles and documents

HIGHLY PURE LAQUINIMOD OR A PHARMACEUTICALLY ACCEPTABLE SALT THEREOF

Provided herein is an impurity of laquinimod, N-ethyl-N-phenyl-1,2-dihydro-4-hydroxy-1-methyl-2-oxoquinoline-3-carboxamide (deschloro laquinimod impurity), and process for preparation and isolation thereof. Provided further herein is a highly pure laquinimod or a pharmaceutically acceptable salt thereof substantially free of deschloro laquinimod impurity, processes for the preparation thereof, and pharmaceutical compositions comprising highly pure laquinimod or a pharmaceutically acceptable salt thereof substantially free of deschloro laquinimod impurity.