Safety Reference
Danger
H317May cause an allergic skin reaction
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Tert-butyl acetoacetate
pharmaceutical intermediate
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This compound is a sulfonamide derivative that serves as both a metabolite and an intermediate in the synthesis of darunavir, an antiretroviral pharmaceutical. It contains an aromatic sulfonamide core with amino and alcohol functional groups, contributing to its role in pharmaceutical manufacturing.
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 N-((2R,3S)-3-Amino-2-hydroxy-4-phenylbutyl)-N-(2-methylpropyl)-4-aminobenzenesulfonamide (CAS 169280-56-2) is 2935.90.
2935.90
2935 90 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
4-amino-N-[(2R,3S)-3-amino-2-hydroxy-4-phenylbutyl]-N-(2-methylpropyl)benzenesulfonamide
NUMJNKDUHFCFJO-VQTJNVASSA-N
CC(C)CN(C[C@H]([C@H](CC1=CC=CC=C1)N)O)S(=O)(=O)C2=CC=C(C=C2)N