Sell Vitamin D3 top grade from factory CAS NO.67-97-0

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Assay(VD3+pre-VD3): 500,000IU/G min. (HPLC method) Appearance: yellowish or cream granula Particle size: 100% passing 2# sieve (850±29μm) Loss on drying: 5% max. Usage Vitamin D3 500 is used in all kinds of vitamin blends and premixes. Packing Aluminum bags lined with food grade polyethene

5,6-trans-vitamin D3 is a member of the class of D3 vitamins that is calciol in which the double bond at position 5 adopts a trans-configuration. During exposure to sunlight, previtamin D3 and vitamin D3 in the skin become photoisomerized to 5,6-trans-vitamin D3. It has a role as a human metabolite. It is a member of D3 vitamins, a seco-cholestane, a secondary alcohol and a hydroxy seco-steroid. It is functionally related to a calciol.

ChEBI

5,6-trans-Vitamin D3 is a natural product found in Solanum glaucophyllum and Homo sapiens with data available.

LOTUS - the natural products occurrence database