2-Benzoyl-1,2,3,6,7,11b-hexahydro-4H-pyrazino[2,1-a]isoquinolin-4-one

2-苯甲酰基-1,2,3,6,7,11b-六氢-4H-吡嗪并[2,1-a]异喹啉-4-酮

Also known as: 2-Benzoyl-1,2,3,6,7,11b-hexahydropyrazino[2,1-a]isoquinolin-4-one, Praziquantel EP Impurity A, Praziquantel Impurity 1 (Praziquantel EP Impurity A), Praziquantel Intermediates, 2-(phenylcarbonyl)-1,2,3,6,7,11b-hexahydro-4H-pyrazino[2,1-a]isoquinolin-4-one, (11bRS)-2-Benzoyl-1,2,3,6,7,11b-hexahydro-4H-pyrazino[2,1-a]isoquinolin-4-one

2-Benzoyl-1,2,3,6,7,11b-hexahydro-4H-pyrazino[2,1-a]isoquinolin-4-one (CAS 54761-87-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C19H18N2O2 and a molecular weight of 306.358 g/mol. It is also known as 2-Benzoyl-1,2,3,6,7,11b-hexahydropyrazino[2,1-a]isoquinolin-4-one, Praziquantel EP Impurity A and Praziquantel Impurity 1 (Praziquantel EP Impurity A). Key properties include a boiling point of 539.9±50.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 257.0±22.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

54761-87-4

Jingsj CID

J-1029028-2

Molecular Formula

C₁₉H₁₈N₂O₂

Chinese Name

2-苯甲酰基-1,2,3,6,7,11b-六氢-4H-吡嗪并[2,1-a]异喹啉-4-酮

Molecular Weight

306.358 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026