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N-Nitroso Midazolam EP Impurity A
pharmaceutical intermediate
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This compound is a pharmaceutical intermediate used in laboratory-scale synthesis and manufacturing processes. It is a multi-ring aromatic compound bearing halogen substituents and a carboxylic acid group.
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 8-chloro-6-(2-fluorophenyl)-1-methyl-4h-imidazo[1,5-a][1,4]benzodiazepine-3-carboxylic acid (CAS 59468-44-9) 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.
8-chloro-6-(2-fluorophenyl)-1-methyl-4H-imidazo[1,5-a][1,4]benzodiazepine-3-carboxylic acid
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CC1=NC(=C2N1C3=C(C=C(C=C3)Cl)C(=NC2)C4=CC=CC=C4F)C(=O)O