4-(2-Methoxy-2-oxoethyl)-2-(methoxycarbonyl)-5-methyl-1H-pyrrole-3-carboxylic acid CAS 899446-79-8

Description

The occurrence of 4-(2-Methoxy-2-oxoethyl)-2-(methoxycarbonyl)-5-methyl-1H-pyrrole-3-carboxylic acid is closely related to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

CATO supplies 4-(2-Methoxy-2-oxoethyl)-2-(methoxycarbonyl)-5-methyl-1H-pyrrole-3-carboxylic acid (CAS 899446-79-8), a certified reference material (molecular formula C11H13NO6, MW 255.22 g/mol) for analytical method development and quality control.

Structurally, 4-(2-Methoxy-2-oxoethyl)-2-(methoxycarbonyl)-5-methyl-1H-pyrrole-3-carboxylic acid (C11H13NO6) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 255.22 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Why CATO?

• ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
• 130,000+ catalog items in stock, COA supplied with every batch
• Worldwide shipping with full export documentation (HS code guidance available)
• Technical support: +86 18665070610 / Nicole.chen@cato-chem.com