6-(5-Chloro-2-pyridyl)-5H-pyrrolo[3,4-b]pyrazine-5,7(6H)-dione

6-(5-氯-2-吡啶基)-5H-吡咯并[3,4-b]吡嗪-5,7(6H)-二酮

Also known as: 6-(5-chloropyridin-2-yl)pyrrolo[3,4-b]pyrazine-5,7-dione, 6-(5-Chloro-2-pyridinyl)-5H-pyrrolo[3,4-b]pyrazine-5,7(6H)-dione, Intermediate for Zopiclone I, EINECS 256-141-5, Zopiclone impurity 8

6-(5-Chloro-2-pyridyl)-5H-pyrrolo[3,4-b]pyrazine-5,7(6H)-dione (CAS 43200-82-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H5ClN4O2 and a molecular weight of 260.636 g/mol. It is also known as 6-(5-chloropyridin-2-yl)pyrrolo[3,4-b]pyrazine-5,7-dione, 6-(5-Chloro-2-pyridinyl)-5H-pyrrolo[3,4-b]pyrazine-5,7(6H)-dione and Intermediate for Zopiclone I. Key properties include a boiling point of 495.7±55.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 253.6±31.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

43200-82-4

Jingsj CID

J-904064-3

Molecular Formula

C₁₁H₅ClN₄O₂

Chinese Name

6-(5-氯-2-吡啶基)-5H-吡咯并[3,4-b]吡嗪-5,7(6H)-二酮

Molecular Weight

260.636 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026