5-Methyl-4,5-dihydropyrrolo[4,3,2-de]quinoline-7,8(1H,3H)-dione CAS 138683-67-7

Description

Compared with other compounds in its class, the molecular weight of 202.21 g/mol gives 5-Methyl-4,5-dihydropyrrolo[4,3,2-de]quinoline-7,8(1H,3H)-dione distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

5-Methyl-4,5-dihydropyrrolo[4,3,2-de]quinoline-7,8(1H,3H)-dione (CAS 138683-67-7), molecular formula C11H10N2O2 and molecular weight 202.21 g/mol, is a CATO reference standard with documented purity and traceability.

5-Methyl-4,5-dihydropyrrolo[4,3,2-de]quinoline-7,8(1H,3H)-dione (C11H10N2O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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.

CATO manufactures 5-Methyl-4,5-dihydropyrrolo[4,3,2-de]quinoline-7,8(1H,3H)-dione under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

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