Product name
Rapamycin
Synonym
Sirolimus
CAS NO.
53123-88-9
Appearance
Odorless, off-white to yellow crystalline powder
Identification
IR
UV
HPLC
Loss on drying
0.5%max
Heavy metals
0.002%max
Chromatographic purity
Individual impurity:1.0%max
Total impurities:2.0%max
Cis-Stereoisomer of Sirolimus
5.0%max
Assay
98.0-102.0%
Residual organic solvents
Ethanol: 5000ppm max
Ethyl acetate: 5000ppm max
Acetone : 5000ppm