补充描述:
9alpha-Hydroxy-4-androstene-3,17-dione (9alpha-OH-4AD, CAS 560-62-3) is manufactured directly by Shandong Sito Bio-technology Co., Ltd. in pharmaceutical grade to Chinese Pharmacopoeia (ChP) standards. The company currently sells it into Western Europe and Asia; samples are not provided and the listing offers no further technical detail beyond an invitation to contact the supplier directly.
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