Testosterone (Cas No.:58-22-0) Cas No.:58-22-0 Chemical Name:4-Androsten-17?-ol-3-one Chemical Formula:C19H28O2 Description: white or almost white crystalline powder Specification:USP31/BP2007 Appearance: a white crystalline powder or color less or yellowish crystal Assay: 97.0%-103.0%
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