Sell 4-androstenedione(biological method)

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Chemical name : 4-androstene-3,17-dione
CAS Number: 63-05-8
Molecule Formula: C19H30O2 Molecule Weight: 290.45
Appearance:
almost white crystalline powder, soluble in ethanol etc, insoluble in water.
specification: Specific rotation +196 2
Melting point 170 2
Heavy Metals 10PPM
Steroid impurity 1%
Loss on drying 0.5%
Assay 98% 99% 99.5% 99.8%
Uesd: intermediate of steroid Hormone and others.
Packing: 25kg/fiber drum.