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Olanzapine Thiolactam Impurity
pharmaceutical raw material
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This compound is an impurity reference standard for lorazepam, a benzodiazepine derivative. It is used in pharmaceutical manufacturing and quality control to ensure the purity and safety of the active pharmaceutical ingredient.
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-5-(2-chlorophenyl)-1,3-dihydro-2H-1,4-benzodiazepin-2-one 4-Oxide (CAS 2955-37-5) 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-5-(2-chlorophenyl)-4-hydroxy-3H-1,4-benzodiazepin-2-one
HIJLVSVTJNDDHT-UHFFFAOYSA-N
C1C(=O)N=C2C=CC(=CC2=C(N1O)C3=CC=CC=C3Cl)Cl