Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
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Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate
pharmaceutical intermediate
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This compound is a pharmaceutical intermediate used in the manufacturing of quinolone antibiotics. It features a structure containing carboxylic acid, halogen, and heterocyclic groups, which are characteristic of quinolone antibiotic intermediates.
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.
The international HS code for 7-CHLORO-1-CYCLOPROPYL-6-FLUORO-4-OXO-1,4-DIHYDRO-1,8-NAPHTHYRIDINE-3-CARBOXYLIC ACID (CAS 100361-18-0) is 2933.99.
2933.99
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.
7-chloro-1-cyclopropyl-6-fluoro-4-oxo-1,8-naphthyridine-3-carboxylic acid
OXNZWNNMJBOZQO-UHFFFAOYSA-N
C1CC1N2C=C(C(=O)C3=CC(=C(N=C32)Cl)F)C(=O)O