849630-60-0

1-Ethyl-1,3,4,9-tetrahydro-8-methyl-pyrano[3,4-b]indole-1-acetic Acid Ethyl Ester is an intermediate in the synthesis of 8-Methyl Etodolac, an impurity of Etodolac (E933100) which was examined for mutagenicity in reverse mutation tests on bacteria. Etodolac impurity B.