Dopachrome is a cyclization product of L-DOPA and is an intermediate in the biosynthesis of melanin. It may tautomerise to form DHICA.

CAS：3571-34-4
中文别名：
英文别名：5,6-dioxo-2,3,5,6-tetrahydro-indole-2-carboxylic acid;5,6-Dihydroxypyrazine-2,3-dicarboxylic acid;5,6-Dioxo-2,3,5,6-tetrahydro-1H-indole-2-carboxylic acid;5,6-Dioxo-1,4,5,6-tetrahydro-pyrazin-2,3-dicarbonsaeure;1,4-dihydropyrazine-2,3-dione-5,6-dicarboxylic acid;5,6-dioxo-1,4,5,6-tetrahydro-pyrazine-2,3-dicarboxylic acid;5,6-Dioxo-2,3,5,6-tetrahydro-indol-2-carbonsaeure;
分子式：C9H7NO4
分子量：193.156
精确质量：193.038
Psa：83.47
Logp：-0.2762

密度：1.56g/cm3
沸点：481.1ºC at 760 mmHg
闪点：244.8ºC
折射率：1.639