6α-chloro-5β-hydroxywithaferin A (CAS 52329-20-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C28H39ClO6. Molecular weight: 507.06 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
Molecular Formula
C28H39ClO6
Molecular Weight
507.06 g/mol
Appearance
Pale yellow to yellow crystalline powder. (slight halide-like odor)
Purity
97%+
Storage
Store at room temperature, protect from light, keep sealed and dry
Solubility (reference)
Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
Stability
May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions