Safety Reference
Warning
H302Harmful if swallowed
H336May cause drowsiness or dizziness
H361
Sourcing 3-Amino-4-(2-chlorophenyl)-6-nitro-2(1H)-quinolinone?
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(±)-tropic acid
pharmaceutical intermediate
Sourcing 3-Amino-4-(2-chlorophenyl)-6-nitro-2(1H)-quinolinone?
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This compound is a quinoline derivative used as a pharmaceutical impurity reference standard. It is primarily employed in quality control and analytical testing to identify and quantify related impurities in drug substances.
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 3-Amino-4-(2-chlorophenyl)-6-nitro-2(1H)-quinolinone (CAS 55198-89-5) is 2933.79.
2933.79
2933 79 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
3-amino-4-(2-chlorophenyl)-6-nitro-1H-quinolin-2-one
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