Product Name:Sirolimus/Rapamycin
CAS : 53123-88-9
Molecular Formula:C51H79NO13
Molecular Weight:914.1719
Specification:
| Item | Specification | |
| Appearance | Odorless,off-whiteoryellowcrystallinepowder | |
| IdentificationA | TheIRspectrumofPotassiumBromidepreparationofthesampleexhibits maximaatthesamewavelengthsasthatofasimilarpreparationofin-housereferencestandard | |
| IdentificationB | TheUVspectrumof95%Ethanolpreparationofthesampleexhibitsmaximaat 267nm,277nm,288nmasthatofasimilarpreparationofin-housereferencestandard | |
| IdentificationC | TheretentiontimeofthepeaksfortheTrans-andCis-stereoisomersinthechromatogramofAssaypreparationcorrespondsto thatinthechromatogramofthestandardpreparation,asobtainedintheAssay | |
| Lossondrying | ≤0.5% | |
| Heavymetals | ≤0.002% | |
| Chromatographicpurity | ||
| Individualimpurity | ≤1.0% | |
| Totalimpurities | ≤2.0% | |
| Cis-stereoisomerofsirolimus | ≤5.0% | |
| Assay | 98.0-102.0%calculatedtrans-andcis-stereoisomersofsirolimus onthedriedbasis | |
| Residualorganicsolvents | ||
| Ethanol | ≤5000ppm | |
| Ethylacetate | ≤5000ppm | |
| Acetone | ≤5000ppm | |
Packing:as customer's request