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Tretinoin is a yellow to light orange crystalline powder. It melts at about 182 °C.
MF: C20H28O2
CAS No.: 302-79-4
EINECS: 206-129-0
Chemical name: (all-E)-3,7-dimethyl-9-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4,6,8-nonatetraenoic acid
Solubility: Tretinoin is soluble in chloroform and solutions of alcoholic sodium hydroxide, slightly soluble in ethanol, isopropanol and a number of long-chain fatty acids and their esters, andpractically insoluble in water.

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