Blue 203

7-[4-(二乙氨基)-2-(己氧基)苯基]-7-(1-乙基-2-甲基-1H-吲哚-3-基)呋喃并[3,4-B]吡啶-5(7H)-酮

Also known as: BLUE 203, 3-(4-Diethylamino-2-hexyloxyphenyl)-3-(2-methyl-1-ethylindol-3-yl)-4-azaphthalide, 7-[4-(Diethylamino)-2-(hexyloxy)phenyl]-7-(1-ethyl-2-methyl-1H-indol-3-yl)furo[3,4-b]pyridin-5(7H)-one, Furo(3,4-b)pyridin-5(7H)-one,7-(4-(diethylamino)-2-(hexyloxy)phenyl)-7-(1-ethyl-2-methyl-1H-indol-3-yl), Yamada Blue 203, Azul 203, Bleu 203

Blue 203 (CAS 98660-18-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C34H41N3O3 and a molecular weight of 539.70800 g/mol. It is also known as BLUE 203, 3-(4-Diethylamino-2-hexyloxyphenyl)-3-(2-methyl-1-ethylindol-3-yl)-4-azaphthalide and 7-[4-(Diethylamino)-2-(hexyloxy)phenyl]-7-(1-ethyl-2-methyl-1H-indol-3-yl)furo[3,4-b]pyridin-5(7H)-one. Key property: a melting point of 154-156℃. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

98660-18-5

Jingsj CID

J-1031373-8

Molecular Formula

C₃₄H₄₁N₃O₃

Chinese Name

7-[4-(二乙氨基)-2-(己氧基)苯基]-7-(1-乙基-2-甲基-1H-吲哚-3-基)呋喃并[3,4-B]吡啶-5(7H)-酮

Molecular Weight

539.70800 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026