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Other pharmaceutical intermediates

4-Oxo-1,4-dihydroquinoline-3-carboxylic acid

Product name: 4-Oxo-1,4-dihydroquinoline-3-carboxylic acid
CAS No.: 13721-01-2
Structured:

Alias English name: 1,4-DIHYDRO-4-OXO-QUINOLINE-3-CARBOXYLIC ACID；4-OXO-1,4-DIHYDROQUINOLINE-3-CARBOXYLIC ACID；1,2-Dihydro-4-oxo-quinoline-3-carboxylic acid；1,4-Dihydro-4-oxo-3-quinolinecarboxylic acid
Molecular weight: 189.17
Uses: intermediate of ivacaftor
Storage: Airtightness, Dark for 24 months

Main quality index

Standard	Enterprise standard
Appearance	off-white powder
Assay	≥99.0%
loss on drying	≤2.0%
Residue on ignition	≤2.0%

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