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Home/Compounds/Pharmaceutical Intermediate/8,9-Difluoro-5-methyl-6,7-dihydro-1-oxo-1H,5H-benzo[ij]quinolizine-2-carboxylic acid
C14H11F2NO3
279.24 g/mol
Pharmaceutical Intermediate

8,9-Difluoro-5-methyl-1-oxo-1,5,6,7-tetrahydropyrido[3,2,1-ij]quinoline-2-carboxylic acid

CAS80076-47-7
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate

This compound is a fluorinated heterocyclic carboxylic acid that serves as a pharmaceutical intermediate, primarily in the production of quinolone antibiotics.

Pharmaceutical intermediate for quinolone antibiotics

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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Related Compounds

ApplicationSame Use

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pharmaceutical intermediate

ReferenceSame Category

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pharmaceutical intermediate

ReferenceSame Category

3-chloro-5-trifluoromethylpyridine-2-carboxylic acid

CAS80194-68-9

pharmaceutical intermediate

ReferenceSame Category

5-(Trifluoromethyl)pyridine-2-carboxylic acid

CAS80194-69-0

pharmaceutical intermediate

ReferenceSame Category

3-Chloro-5-trifluoromethylpyridine-2-carbonitrile

CAS80194-70-3

pharmaceutical intermediate

Referencesame scaffold

Flumequine

CAS42835-25-6

pharmaceutical raw material

Customs Tariff Classification

The international HS code for 8,9-Difluoro-5-methyl-1-oxo-1,5,6,7-tetrahydropyrido[3,2,1-ij]quinoline-2-carboxylic acid (CAS 80076-47-7) is 2933.99.

HS code (international, 6-digit)

2933.99

EU CN code (8-digit)

2933 99 80

Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.

Identifiers
IUPAC Name

7,8-difluoro-12-methyl-4-oxo-1-azatricyclo[7.3.1.05,13]trideca-2,5,7,9(13)-tetraene-3-carboxylic acid

InChIKey

XUROCEZEOCOWSX-UHFFFAOYSA-N

SMILES

CC1CCC2=C3N1C=C(C(=O)C3=CC(=C2F)F)C(=O)O

Synonyms (6)
  • Nadifloxacin Impurity A

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