5-(1,3-Dimethyl-1H-pyrazol-5-yl)-6-hydroxy-1,3-dimethylpyrimidine-2,4(1H,3H)-dione CAS 400074-62-6

Description

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.

5-(1,3-Dimethyl-1H-pyrazol-5-yl)-6-hydroxy-1,3-dimethylpyrimidine-2,4(1H,3H)-dione (CAS 400074-62-6) is a high-purity analytical reference standard with the molecular formula C11H14N4O3 and a molecular weight of 250.25 g/mol.

Structurally, 5-(1,3-Dimethyl-1H-pyrazol-5-yl)-6-hydroxy-1,3-dimethylpyrimidine-2,4(1H,3H)-dione (C11H14N4O3) 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 250.25 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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