(3R,4S)-Tofacitinib

(3R,4S)-4-甲基-3-(甲基-7H-吡咯并[2,3-d]嘧啶-4-氨基)-β-氧代-1-哌啶丙腈

Also known as: (3R,4S)-Tofacitinib, 3-[(3R,4S)-4-methyl-3-[methyl(7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino]piperidin-1-yl]-3-oxopropanenitrile, 1-Piperidinepropanenitrile, 4-methyl-3-(methyl-7H-pyrrolo[2,3-d]pyrimidin-4-ylamino)-β-oxo-, (3R,4S)-, CS-1109

(3R,4S)-Tofacitinib (CAS 1092578-46-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C16H20N6O and a molecular weight of 312.370 g/mol. It is also known as 3-[(3R,4S)-4-methyl-3-[methyl(7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino]piperidin-1-yl]-3-oxopropanenitrile, 1-Piperidinepropanenitrile, 4-methyl-3-(methyl-7H-pyrrolo[2,3-d]pyrimidin-4-ylamino)-β-oxo-, (3R,4S)- and CS-1109. Key properties include a boiling point of 585.8±50.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 308.1±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

1092578-46-5

Jingsj CID

J-1690569-6

Molecular Formula

C₁₆H₂₀N₆O

Chinese Name

(3R,4S)-4-甲基-3-(甲基-7H-吡咯并[2,3-d]嘧啶-4-氨基)-β-氧代-1-哌啶丙腈

Molecular Weight

312.370 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026