tretinoin and its Impurities
Tretinoin used for the treatment of acne and acute promyelocytic leukemia. It is available as a generic medication. Tretinoin, also known as all-trans retinoic acid.Reference standards of Tretinoin API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.


(2E,4E,6E)-3-Methyl-7-((8aR)-5,5,8a-trimethyloctahydrobenzo[c][1,2]dioxin-3-yl)octa-2,4,6-trienoic Acid
(2E,4E,6E)-3-Methyl-7-((8aR)-5,5,8a-trimethyloctahydrobenzo[c][1,2]dioxin-3-yl)octa-2,4,6-trienoic Acid
Catalogue No.:PA 47 56530
CAS :
NA
Molecular Formula : C20H30O4
Molecular Weight : 334.45


(2E,4E,6E)-3-Methyl-7-((2R,7aS)-4,4,7a-trimethyl-2,4,5,6,7,7a-hexahydrobenzofuran-2-yl)octa-2,4,6-trienoic Acid
(2E,4E,6E)-3-Methyl-7-((2R,7aS)-4,4,7a-trimethyl-2,4,5,6,7,7a-hexahydrobenzofuran-2-yl)octa-2,4,6-trienoic Acid
Catalogue No.:PA 47 56540
CAS :
NA
Molecular Formula : C20H28O3
Molecular Weight : 316.43


(2E,4E,6E,8E)-9-(1,2-Dihydroxy-2,6,6-trimethylcyclohexyl)-3,7-dimethylnona-2,4,6,8-tetraenoic acid
(2E,4E,6E,8E)-9-(1,2-Dihydroxy-2,6,6-trimethylcyclohexyl)-3,7-dimethylnona-2,4,6,8-tetraenoic acid
Catalogue No.:PA 47 56550
CAS :
73341-58-9
Molecular Formula : C20H30O4
Molecular Weight : 334.45


(2E,4E,6E)-3-methyl-7-((2R,7aR)-4,4,7a-trimethyl-2,4,5,6,7,7a-hexahydrobenzofuran-2-yl)octa-2,4,6-trienoic Acid
(2E,4E,6E)-3-methyl-7-((2R,7aR)-4,4,7a-trimethyl-2,4,5,6,7,7a-hexahydrobenzofuran-2-yl)octa-2,4,6-trienoic Acid
Catalogue No.:PA 47 56560
CAS :
NA
Molecular Formula : C20H28O3
Molecular Weight : 316.43


(2E,4E)-3-Methyl-5-(3-methyl-3-((E)-2-(2,6,6-trimethylcyclohex-1-en-1-yl)vinyl)oxiran-2-yl)penta-2,4-dienoic Acid
(2E,4E)-3-Methyl-5-(3-methyl-3-((E)-2-(2,6,6-trimethylcyclohex-1-en-1-yl)vinyl)oxiran-2-yl)penta-2,4-dienoic Acid
Catalogue No.:PA 47 56580
CAS :
NA
Molecular Formula : C20H28O3
Molecular Weight : 316.43


(2E,4E,6E)-3-methyl-7-(4,4,7a-trimethyl-2,4,5,6,7,7a-hexahydrobenzofuran-2-yl)octa-2,4,6-trienoic acid
(2E,4E,6E)-3-methyl-7-(4,4,7a-trimethyl-2,4,5,6,7,7a-hexahydrobenzofuran-2-yl)octa-2,4,6-trienoic acid
Catalogue No.:PA 47 0561000
CAS :
3012-76-8
Molecular Formula : C20H28O3
Molecular Weight : 316.44


(2E,4E,6E)-3-Methyl-7-(5,5,8a-trimethyl-3,5,6,7,8,8a-hexahydrobenzo[c][1,2]dioxin-3-yl)octa-2,4,6-trienoic Acid
(2E,4E,6E)-3-Methyl-7-(5,5,8a-trimethyl-3,5,6,7,8,8a-hexahydrobenzo[c][1,2]dioxin-3-yl)octa-2,4,6-trienoic Acid
Catalogue No.:PA 47 0561002
CAS :
129454-96-2
Molecular Formula : C20H28O4
Molecular Weight : 332.44