Methyl 2-hydroxy-4-oxo-4h-pyrido[1,2-a]pyrimidine-3-carboxylate CAS 224313-74-0
| CAS No. | 224313-74-0 |
| Molecular Formula | C10H8N2O4 |
| Molecular Weight | 220.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, Methyl 2-hydroxy-4-oxo-4h-pyrido[1,2-a]pyrimidine-3-carboxylate (C10H8N2O4) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 220.18 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Methyl 2-hydroxy-4-oxo-4h-pyrido[1,2-a]pyrimidine-3-carboxylate (CAS 224313-74-0), molecular formula C10H8N2O4 and molecular weight 220.18 g/mol, is a CATO reference standard with documented purity and traceability.
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 Methyl 2-hydroxy-4-oxo-4h-pyrido[1,2-a]pyrimidine-3-carboxylate 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
| Molecular Formula | C10H8N2O4 |
| Molecular Weight | 220.18 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2021 |
| Nitrogen Atoms | 2 |
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- Atomoxetine Impurity 26 (CAS CATO-C4X-155026)
- 2-Butoxy-2-oxoethyl butyl phthalate (CAS 85-70-1)
- 6-(Furan-2-yl)picolinic acid (CAS 887981-91-1)
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- Renin Inhibitor Peptide (CAS 50410-01-0)
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