Vitamin D3 CAS 67-97-0 EINECS NO 200-673-2

Product Description:

Product Name: Vitamin D3 CAS 67-97-0

Synonyms:

Cholecalciferol;

Oxarol;

Chemical & Physical Properties:

Appearance: white powder

Assay: ≥ 99.0%

Melting Point:83-86℃

Boiling Point: 496.4ºC at 760 mmHg

Flash point: 214.2±15.1℃

Density: 0.972 g/cm3

Uses

Calciol is a hydroxy seco-steroi d that is (5Z,7E)-9,10-secocholesta-5,7,10(19)-triene in which the pro-S hydrogen at position 3 has been replaced by a hydroxy group. It is the inactive form of vitamin D3, being hydroxylated in the liver to calcidiol (25-hydroxyvitamin D3), which is then further hydroxylated in the kidney to give calcitriol (1,25-dihydroxyvitamin D3), the active hormone. It has a role as a human metabolite and a geroprotector. It is a seco-cholestane, a hydroxy seco-steroi d, a member of D3 vitamins, a secondary alcohol and a steroi d hormone.



Cholecalciferol (vitamin D3) is one of the five forms of vitamin D. It is a secosteroi d, that is, a steroi d molecule with one ring open. Cholecalciferol is inactive: it is converted to its active form by two hydroxylations: the first in the liver, the second in the kidney, to form calcitriol, whose action is mediated by the vitamin D receptor, a nuclear receptor which regulates the synthesis of hundreds of enzymes and is present in virtually every cell in the body..

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