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7-Dehydrocholesterol CAS 434-16-2 (jerryzhang001@chembj.com)

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  Post Date: Apr 20,2017
  Expiry Date: Apr 20,2018
  Detailed Description: Cas No. :434-16-2 Payment Method: T/T; Western Union; Moneygram and Bitcoin
7-Dehydrocholesterol CAS 434-16-2

Product Name: 7-Dehydrocholesterol;

Synonyms: (3)-7-Dehydrochlesterol;(3beta)-Cholesta-5,7-dien-3-ol;(3-beta)-cholesta-7-dien-3-ol;(3beta)-cholesta-7-dien-3-ol;3-Hydroxycholesta-5,7-diene;5,7-Cholestandien-3.beta.-ol;5,7-Cholestandien-3beta-ol;7,8-Didehydrocholesterol;

CAS: 434-16-2;
MF: C27H44O;
MW: 384.64;
EINECS: 207-100-5;
Product Categories: Pharmaceutical Raw Materials;Intermediates & Fine Chemicals;Pharmaceuticals;Steroids;

Melting point: 148-152 °C(lit.);
alpha: -116 º (C=1, CHCL3);
storage temp.: −20°C;

Description:

7-Dehydrocholesterol is a zoosterol that functions in the serum as a cholesterol precursor, and is converted to vitamin D3 in the skin, therefore functioning as provitamin-D3. The presence of this compound in human skin enables humans to manufacture vitamin D3 from ultraviolet rays in the sun light, via an intermediate isomer pre-vitamin D3. It is also found in the milk of several mammalian species. In insects it is a precursor for the hormone ecdysone, required for reaching adulthood. It was discovered by Nobel-laureate organic chemist Adolf Windaus.

Usage: A vitamin precursor;

  CAS Registry Number:

434-16-2
  Synonyms: ;Provitamine;7,8-didehydrocholesterol;cholesta-5,7-dien-3-beta-ol;Provitamin D3;cholesta-5,7-dien-3-ol;(3beta)-cholesta-5,7-dien-3-ol;
  Molecular Formula: C27H44O
  Molecular Weight: 384.6377
  Molecular Structure: 434-16-2 7-Dehydrocholesterol
  Safety Description: S24/25:;

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