Tofacitinib

托法替尼

Also known as: CP-690550, CP 690550, Tasocitinib, 3-((3R,4R)-4-Methyl-3-(methyl(7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino)piperidin-1-yl)-3-oxopropanenitrile, 3-{(3R,4R)-4-Methyl-3-[methyl(7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino]piperidin-1-yl}-3-oxopropanenitrile

Tofacitinib (CAS 477600-75-2) is a compound in the Organic Compounds 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 CP-690550, CP 690550 and Tasocitinib. 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.
477600-75-2
Jingsj CID
J-1963106-6
Molecular Formula
C16H20N6O
Chinese Name
托法替尼
Molecular Weight
312.370 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point585.8±50.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point308.1±30.1 °C

Frequently Asked Questions

What is the CAS number of Tofacitinib?

The CAS number of Tofacitinib is 477600-75-2.

What are the molecular formula and molecular weight of Tofacitinib?

Tofacitinib has molecular formula C16H20N6O and molecular weight 312.370 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Tofacitinib (CAS 477600-75-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1963106-6 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.