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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 

Item

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.

 

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