| CAS No. | 219818-01-6 |
| Molecular Formula | C5H4N2O3 |
| Molecular Weight | 140.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 140.10 g/mol gives 2,4-Dioxo-3,4-dihydropyrimidine-1(2H)-carbaldehyde distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2,4-Dioxo-3,4-dihydropyrimidine-1(2H)-carbaldehyde (CAS 219818-01-6), molecular formula C5H4N2O3 and molecular weight 140.10 g/mol, is a CATO reference standard with documented purity and traceability.
2,4-Dioxo-3,4-dihydropyrimidine-1(2H)-carbaldehyde (C5H4N2O3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, 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 2,4-Dioxo-3,4-dihydropyrimidine-1(2H)-carbaldehyde 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.
| Molecular Formula | C5H4N2O3 |
| Molecular Weight | 140.10 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2019 |
| Nitrogen Atoms | 2 |