5H,6H,7H-pyrrolo[3,4-b]pyrazine-5,7-dione CAS 4933-19-1

Description

Compared with other compounds in its class, the molecular weight of 149.11 g/mol gives 5H,6H,7H-pyrrolo[3,4-b]pyrazine-5,7-dione distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

5H,6H,7H-pyrrolo[3,4-b]pyrazine-5,7-dione (CAS 4933-19-1), molecular formula C6H3N3O2 and molecular weight 149.11 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 5H,6H,7H-pyrrolo[3,4-b]pyrazine-5,7-dione (C6H3N3O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 149.11 g/mol, it falls into the low-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

As a certified reference material (CRM), 5H,6H,7H-pyrrolo[3,4-b]pyrazine-5,7-dione meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

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