R3250 Sigma

Retinyl acetate

synthetic, matrix dispersion, 475,000-650,000 USP units/g

Synonym: Retinol acetate, Vitamin A acetate


Related Categories Cell Biology, Nutrition Research, Vitamin A, Vitamins
biological source   synthetic
form   matrix dispersion
mp   57-58 °C
storage temp.   −20°C


Analysis Note

Activity based on HPLC comparison to USP standard.


10, 100 g in glass bottle

Physical form

Dispersion in cornstarch-gelatin matrix. Oil dispersible

Biochem/physiol Actions

Retinal, retinol and retinoic acid are the aldehyde, alcohol and acid forms of vitamin A. The retinoids exist as many geometric isomers due to the unsaturated bonds in the aliphatic chain.
Retinoids also exist as retinyl esters such as retinyl propionate, retinyl acetate and retinyl palmitate. Retinyl esters provide pools of vitamin A that are converted into retinol and other retinoids as needed. Retinyl acetate is used in a wide range of biological applications.

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