ChemicalBook > CAS DataBase List > (3E,5E,7E)-9-[(3E)-2,4,4-Trimethyl-1-cyclohexen-3-ylidene]-3,7-dimethylnona-3,5,7-trien-1-ol

(3E,5E,7E)-9-[(3E)-2,4,4-Trimethyl-1-cyclohexen-3-ylidene]-3,7-dimethylnona-3,5,7-trien-1-ol

Product Name
(3E,5E,7E)-9-[(3E)-2,4,4-Trimethyl-1-cyclohexen-3-ylidene]-3,7-dimethylnona-3,5,7-trien-1-ol
CAS No.
16729-22-9
Chemical Name
(3E,5E,7E)-9-[(3E)-2,4,4-Trimethyl-1-cyclohexen-3-ylidene]-3,7-dimethylnona-3,5,7-trien-1-ol
Synonyms
4,14-retro-Retinol;Vitamin A Impurity C;Retinol EP Impurity C;Vitamin A EP Impurity C;all-trans-Retro Retinol;all-trans-retro-Vitamin A;Vitamin A impurity C (EP）;all-trans-Retro Retinol Discontinued;Vitamin A Impurity C (retro-Vitamin A);Vitamin A Impurity 3 (retro-Vitamin A)
CBNumber
CB22245160
Molecular Formula
C20H30O
Formula Weight
286.45
MOL File
16729-22-9.mol
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Hazard and Precautionary Statements (GHS)

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N-Bromosuccinimide Price

Arctom
Product number
AS042835
Product name
3,7-Dimethyl-9-(2,6,6-trimethylcyclohex-2-en-1-ylidene)nona-3,5,7-trien-1-ol
Purity
98%
Packaging
1g
Price
$1882
Updated
2021/12/16
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(3E,5E,7E)-9-[(3E)-2,4,4-Trimethyl-1-cyclohexen-3-ylidene]-3,7-dimethylnona-3,5,7-trien-1-ol Chemical Properties,Usage,Production

Uses

A degradation product of Vitamin A (R252000). Vitamin A impurity.

Production Methods

Retro-vitamin A is obtained by treatment of retinol in the presence of concentrated hydrobromic acid. In the case of retinoic acid and retinal, reisomerization is possible after conversion to appropriate derivatives such as the acid chloride or the hydroquinone adduct.

(3E,5E,7E)-9-[(3E)-2,4,4-Trimethyl-1-cyclohexen-3-ylidene]-3,7-dimethylnona-3,5,7-trien-1-ol Preparation Products And Raw materials

Raw materials

Preparation Products

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(3E,5E,7E)-9-[(3E)-2,4,4-Trimethyl-1-cyclohexen-3-ylidene]-3,7-dimethylnona-3,5,7-trien-1-ol Suppliers

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16729-22-9, (3E,5E,7E)-9-[(3E)-2,4,4-Trimethyl-1-cyclohexen-3-ylidene]-3,7-dimethylnona-3,5,7-trien-1-olRelated Search:

Retinol, hexadecanoate, (9-cis,13-cis)- (9CI) 5,6-monoepoxy vitamin A 4-(2,2-dimethyl-6-methylenecyclohexyl)-3-buten-2-one (6Z)-6-[(2E,4E,6E)-3,7-dimethylnona-2,4,6,8-tetraenylidene]-1,5,5-trimethylcyclohexene Retinal 13-Cis Vitamin A Palmitate 9-cis-Retinyl Palmitate Phosphonium, [3-methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4-pentadienyl]triphenyl-, (Z,E)- (9CI) (Z)-4-(2,6,6-trimethyl-1-cyclohexen-1-yl)-3-buten-2-one 3-Cyclohexene-1,2-dimethanol, 3,6-dimethyl-5-[2-methyl-4-(2,6,6-trimethyl-1-cyclohexen-1-yl)-1,3-butadienyl]-6-[4-methyl-6-(2,6,6-trimethyl-1-cyclohexen-1-yl)-1,3,5-hexatrienyl]-, cis-2,cis-5- (8CI) anhydrovitamin A Vitamin E COD LIVER OIL

  • (3E,5E,7E)-9-[(3E)-2,4,4-Trimethyl-1-cyclohexen-3-ylidene]-3,7-dimethylnona-3,5,7-trien-1-ol
  • Vitamin A Impurity C
  • all-trans-retro-Vitamin A
  • all-trans-Retro Retinol
  • Retinol EP Impurity C
  • Vitamin A EP Impurity C
  • Vitamin A EP Impurity C (retro-Vitamin A, all-trans-Retro Retinol)
  • 4,14-retro-Retinol
  • Vitamin A Impurity C (retro-Vitamin A)
  • all-trans-Retro Retinol Discontinued
  • Vitamin A Impurity 3 (retro-Vitamin A)(Vitamin A EP Impurity C)
  • Vitamin A impurity C (EP）
  • Vitamin A Impurity 3 (retro-Vitamin A)
  • (3E,5E,7E,9E)-3,7-Dimethyl-9-(2,6,6-trimethylcyclohex-2-en-1-ylidene)nona-3,5,7-trien-1-ol (Vitamin A Impurity)
  • Vitamin A EP Impurity C（Mixture of Z and E Isomers）
  • 16729-22-9
  • Impurities
  • Intermediates & Fine Chemicals
  • Pharmaceuticals
  • Retinoids