Clobetasol Propionate

Function :

Clobetasol propionate is used for the treatment of various skin disorders including eczema, herpes labialis,psoriasis, and lichen sclerosus.
It is also used to treat several auto-immune diseases including alopecia areata, vitiligo, lichen planus , and mycosis fungoides .

Clobetasol propionate
Product Name: Clobetasol propionate
CAS: 25122-46-7
Assay: 99%
Packing: 25kg/drum
MF: C25H32ClFO5
MW: 466.97
EINECS: 246-634-3
Appearance: White crystalline powder

COA of the Clobetasol Propionate :

Items Standard Results
Appearance White or almost white crystalline powder white crystalline powder
Identification (IR) Complies with the Standard Complies
Specific Rotation +98°~+104° +99.5°
Melting point 195.5°C~196.5°C 196°C
Loss on drying ≤2.0% 0.10%
Residue on ignition ≤1.0% 0.05%
Heavy Metals ≤20ppm 10ppm
Related Substances(HPLC) Total impurity ≤2.5% 0.65%
Related Substances(HPLC) Single impurity 0.40%
Organic volatile impurities meet the ICH requirement Complies
Particle size 90% pass 100 mesh Complies
Assay(HPLC,basisondrying) 97.0%~102.0% 99. 0%
Packaging and storage Preserve in tight, light-resistant containers
Conclusion The test product complies with the requirements of USP31

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