7- Dehydrocholester...

7- Dehydrocholesterol CAS 434-16-2 Vitamin Precursor 99% Purity Provitamin D3

7- Dehydrocholesterol CAS 434-16-2 Vitamin Precursor 99% Purity Provitamin D3

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10 Gram

FOB Price:USD 1.0000 -2.0000
  • Min.Order :10 Gram
  • Purity: 99%
  • Payment Terms : L/C

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434-16-2 434-16-2 434-16-2

Quick Details

  • Appearance:white crystalline powder
  • Application:use in chemical
  • PackAge:bags
  • ProductionCapacity:12|Kilogram|Day
  • Storage:Kept in a well-closed, light-resistant,dry and cool place
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Details:

7- Dehydrocholesterol CAS 434-16-2 Vitamin Precursor 99% Purity Provitamin D3

Quick detail

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
Water Solubility Insoluble

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 manufacturevitamin 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.[1] In insects it is a precursor for the hormone ecdysone, required for reaching adulthood.[2] It was discovered by Nobel-laureate organic chemist Adolf Windaus.


Uses

1. Synthesis of vitamin D3 important intermediates
2. Skin care sunscreen cosmetics additives
3. Other laboratory reagents
Storage: Store in a dry, clean, cool and dark place. Should be avoided with toxic, harmful, contaminated items at the same time storage. In compliance with the above conditions, the shelf life of 36 months.

 

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