| Identification | Back Directory | [Name]
(3E,5E,7E)-9-[(3E)-2,4,4-Trimethyl-1-cyclohexen-3-ylidene]-3,7-dimethylnona-3,5,7-trien-1-ol | [CAS]
16729-22-9 | [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 3 (retro-Vitamin A)
Vitamin A Impurity C (retro-Vitamin A)
Vitamin A EP Impurity C（Mixture of Z and E Isomers）
Vitamin A Impurity 3 (retro-Vitamin A)(Vitamin A EP Impurity C)
Vitamin A EP Impurity C (retro-Vitamin A, all-trans-Retro Retinol)
(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,9E)-3,7-Dimethyl-9-(2,6,6-trimethylcyclohex-2-en-1-ylidene)nona-3,5,7-trien-1-ol (Vitamin A Impurity) | [Molecular Formula]
C20H30O | [MDL Number]
MFCD31563032 | [MOL File]
16729-22-9.mol | [Molecular Weight]
286.45 |
| Hazard Information | Back Directory | [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. |
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