
Tofacitinib citrate CAS NO.540737-29-9
		     
Product Name: Tofacitinib citrate
Synonym: 1-PIPERIDINEPROPANENITRILE
2-amino-6R-(1R,2S-dihydroxypropyl)-5,6,7,8-tetrahydro-4(1H)-
pteridinone,dihydrochloride; Tetrahydro-L-biopterin
CAS No.: 540737-29-9
Molecular Formula: C16H20N6O.C6H8O7
Relative molecular weight: 504.497
Application: For rheumatoid arthritis
Packing: according to the customer’s requirement
Specification
| 
 Specification  | |
| 
 Appearance  | 
 White or almost white solid  | 
| 
 Assay  | 
 98.0-102.0%  | 
| 
 Heavy metals  | 
 20ppm Min.  | 
| 
 Loss on drying  | 
 1.0%Min.  | 
| 
 Enantiomer  | 
 0.2%Min.  | 
| 
 Related substances  | 
 unknown single impurity: ≤ 0.2%  | 
| 
 | 
 Total impurity≤ 1.0%  | 
| 
 Residual solvents  | |
| 
 Methanol  | 
 3000ppm Min.  | 
| 
 Toluene  | 
 890ppm Min.  | 
| 
 Ethanol  | 
 5000ppm Min.  | 











