补充描述:
This plant-sourced grade of 7-dehydrocholesterol (CAS 434-16-2) is positioned as a cosmetic raw material rather than a pharmaceutical ingredient, manufactured directly by Hunan Furui Biopharma Technology Co., Ltd. to an in-house standard. Beyond that, the supplier offers little public detail and directs interested buyers to contact them directly; it is sold across a wide range of international markets.
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