The Tofacitinib citrate, with the CAS registry number 540737-29-9, is also known as 3-Piperidinamine, 1-(cyanoacetyl)-4-methyl-N-methyl-N-1H-pyrrolo[2,3-d]pyrimidin-4-yl-, (3R,4R)-, 2-hydroxy-1,2,3-propanetricarboxylate (1:1). This chemical's molecular formula is C₁₆H₂₀N₆O·C₆H₈O₇ and molecular weight is 504.50. What's more, its systematic name is 3-{(3R,4R)-4-Methyl-3-[methyl(7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino]-1-piperidinyl}-3-oxopropanenitrile 2-hydroxy-1,2,3-propanetricarboxylate (1:1).

Physical properties of Tofacitinib citrate are: (1)ACD/LogP: 0.275; (2)# of Rule of 5 Violations: 0; (3)#H bond acceptors: 7; (4)#H bond donors: 1; (5)#Freely Rotating Bonds: 3; (6)Polar Surface Area: 78.05 Å²; (7)Flash Point: 308.1 °C; (8)Enthalpy of Vaporization: 87.51 kJ/mol; (9)Boiling Point: 585.8 °C at 760 mmHg; (10)Vapour Pressure: 1.04E-13 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C(O)C(O)(CC(=O)O)CC(=O)O.N#CCC(=O)N3CC[C@@H](C)[C@@H](N(c1ncnc2c1ccn2)C)C3
(2)Std. InChI: InChI=1S/C16H20N6O.C6H8O7/c1-11-5-8-22(14(23)3-6-17)9-13(11)21(2)16-12-4-7-18-15(12)19-10-20-16;7-3(8)1-6(13,5(11)12)2-4(9)10/h4,7,10-11,13H,3,5,8-9H2,1-2H3,(H,18,19,20);13H,1-2H2,(H,7,8)(H,9,10)(H,11,12)/t11-,13+;/m1./s1
(3)Std. InChIKey: SYIKUFDOYJFGBQ-YLAFAASESA-N