tert-Butyl (3S,6S,12aS)-1,2,3,4,6,7,12,12a-octahydro-9-methoxy-6-(2-methylpropyl)-1,4-dioxopyrazino[1',2':1,6]pyrido[3,4-b]indole-3-propanoate

(3S,6S,12aS)-1,2,3,4,6,7,12,12a-八氢-9-甲氧基-6-(2-甲基丙基)-1,4-二氧代吡嗪并[1',2':1,6]吡啶并[3,4-b]吲哚-3-丙酸叔丁酯

Also known as: Ko143, Ko143 hydrate, (3S,6S,12aS)-1,2,3,4,6,7,12,12a-Octahydro-9-methoxy-6-(2-methylpropyl)-1,4-dioxopyrazino[1',2':1,6]pyrido[3,4-b]indole-3-propanoic acid 1,1-dimethylethyl ester, 2-Methyl-2-propanyl 3-[(3S,6S,12aS)-6-isobutyl-9-methoxy-1,4-dioxo-1,2,3,4,6,7,12,12a-octahydropyrazino[1',2':1,6]pyrido[3,4-b]indol-3-yl]propanoate, Pyrazino[1',2':1,6]pyrido[3,4-b]indole-3-propanoic acid, 1,2,3,4,6,7,12,12a-octahydro-9-methoxy-6-(2-methylpropyl)-1,4-dioxo-, 1,1-dimethylethyl ester, (3S,6S,12aS)-

tert-Butyl (3S,6S,12aS)-1,2,3,4,6,7,12,12a-octahydro-9-methoxy-6-(2-methylpropyl)-1,4-dioxopyrazino[1',2':1,6]pyrido[3,4-b]indole-3-propanoate (CAS 461054-93-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C26H35N3O5 and a molecular weight of 469.573 g/mol. It is also known as Ko143, Ko143 hydrate and (3S,6S,12aS)-1,2,3,4,6,7,12,12a-Octahydro-9-methoxy-6-(2-methylpropyl)-1,4-dioxopyrazino[1',2':1,6]pyrido[3,4-b]indole-3-propanoic acid 1,1-dimethylethyl ester. Key properties include a melting point of 147ºC, a boiling point of 689.8±55.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 371.0±31.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

461054-93-3

Jingsj CID

J-1959910-4

Molecular Formula

C₂₆H₃₅N₃O₅

Chinese Name

(3S,6S,12aS)-1,2,3,4,6,7,12,12a-八氢-9-甲氧基-6-(2-甲基丙基)-1,4-二氧代吡嗪并[1',2':1,6]吡啶并[3,4-b]吲哚-3-丙酸叔丁酯

Molecular Weight

469.573 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026