Tofacitinib (3S,4S)-Isomer

Order Tofacitinib (3S,4S)-Isomer product with CAS: 1092578-47-6 (base); 2174011-55-1 (citrate salt) and speed up your Tofacitinib project. This product is also known as ent-Tofacitinib; (3S,4S)-4-Methyl-3-(methyl-7H-pyrrolo[2,3-d]pyrimidin-4-ylamino)-β-oxo-1-piperidinepropanenitrile. and can be used as a working standard or secondary reference standard. Additional internal validation as per respective FDA regulations/guidelines may require.