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  • CAS No. :137071-32-0
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Product Details


Chemical    NamePimecrolimus               
CAS    Number137071-32-0
Molecular    FormulaC43H68ClNO11
Molecular    Structure 
StorageStore at a temperature of    2~8℃, protect from light.
ApplicationIt is used to    dermatitis and eczema.


AppearanceA white or off-white    powder
Specific Rotation-105.0°~-110.0°
IdentificationMeets the requirements
Related SubstancesImpurity I NMT 0.50%      Impurity II NMT 0.50%      Impurity III(ascomycin) NMT 0.15%      Individual unidentified impurity    NMT 0.10%      Total impurities NMT 1.0%
Residual SolventsMethanol NMT 3000ppm      Acetone NMT 5000ppm      Dichloromethane NMT 600ppm      Ethyl acetate NMT 5000ppm      n-Heptane NMT 5000ppm      Acetonitrile NMT 410ppm
WaterNMT 2.0%
Residue on IgnitionNMT 0.1%
Heavy MetalNMT 20ppm
Assay98.0% ~102.0%(On    anhydrous basis)
ConclusionThe product conforms to the above    specifications.
Storage conditionStore at a temperature of 2~8℃, protect from light.
StandardFactory    Standard
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