![St.John’s Wort Extract](https://www.chemcoraw.com//uploads/images/products/3/3/stjohns-wort-extract0-0127213001650872490_500.jpeg)
【Main ingredients】hypericin, pseudohypericin, original hypericin, original pseudohypericin, cyclopseudohyricin, isohyicricin, emodin-anthrone
【Specification】Hypericin 0.3%; 10:1, 30:1, 50:1
【Appearance】Dark brown or tan fine powder
【melting point】299-301°C
【Molecular formula】C30H16O8
【Molecular weight】504.44
【CAS】548-04-9
【Scope of application】Medicine and health products
【Storage conditions】This product should be sealed and shaded, and stored in a dry, cool and well-ventilated place.
【Shelf life】2 years