Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
Sourcing 4-Chloro-7-(p-toluenesulfonyl)-7H-pyrrolo[2,3-d]pyrimidine?
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5-Amino-4-thiazolecarboxamide
pharmaceutical intermediate
2(1H)-Quinazolinone, 6-chloro-4-phenyl-
pharmaceutical intermediate
Sourcing 4-Chloro-7-(p-toluenesulfonyl)-7H-pyrrolo[2,3-d]pyrimidine?
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This compound is a chlorinated pyrrolopyrimidine derivative bearing a methylphenylsulfonyl substituent, commonly used as a pharmaceutical intermediate in the synthesis of kinase inhibitors.
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 4-Chloro-7-(p-toluenesulfonyl)-7H-pyrrolo[2,3-d]pyrimidine (CAS 479633-63-1) 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-chloro-7-(4-methylphenyl)sulfonylpyrrolo[2,3-d]pyrimidine
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