4-Chloro-7-tosyl-7H-pyrrolo[2,3-d]pyrimidine

Also known as: 4-Chloro-7-[(4-methylphenyl)sulfonyl]-7H-pyrrolo[2,3-d]pyrimidine, 4-Chloro-7-(p-toluenesulfonyl)-7H-pyrrolo[2,3-d]pyrimidine, 4-Chloro-7-(p-tolylsulfonyl)pyrrolo[2,3-d]pyrimidine, 4-Chloro-7-[(4-methylbenzene)sulfonyl]-7H-pyrrolo[2,3-d]pyrimidine, 4-Chloro-7-p-toluenesulphonyl-7H-pyrrolo[2,3-d]pyrimidine, 7H-Pyrrolo[2,3-d]pyrimidine, 4-chloro-7-[(4-methylphenyl)sulfonyl]-, Tofacitinib Impurity R

4-Chloro-7-tosyl-7H-pyrrolo[2,3-d]pyrimidine (CAS 479633-63-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C13H10ClN3O2S and a molecular weight of 307.755 g/mol. Key properties include a melting point of 147 °C, a boiling point of 505.3±60.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 259.4±32.9 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

479633-63-1

Jingsj CID

J-1033858-6

Molecular Formula

C₁₃H₁₀ClN₃O₂S

Molecular Weight

307.755 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026