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

• 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.);
  
  storage temp.: −20°C;
  
  Chemical Properties: white to off-white fine crystalline powder;
  
  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:

  

• Safety Description:

  S24/25:;
  

• Company:

  Nanjing Bangnuo Biotechnology Co., Ltd.     [ China ]        

• Contact:

  Jerry Zhang

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  86-25-52198306

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