Ethyl 6-methyl-4-oxo-6H,7H-pyrazolo[3,2-c][1,4]oxazine-2-carboxylate CAS 1820649-45-3
| CAS No. | 1820649-45-3 |
| Molecular Formula | C10H12N2O4 |
| Molecular Weight | 224.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Ethyl 6-methyl-4-oxo-6H,7H-pyrazolo[3,2-c][1,4]oxazine-2-carboxylate 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.
Ethyl 6-methyl-4-oxo-6H,7H-pyrazolo[3,2-c][1,4]oxazine-2-carboxylate (CAS 1820649-45-3) is a high-purity analytical reference standard with the molecular formula C10H12N2O4 and a molecular weight of 224.21 g/mol.
Ethyl 6-methyl-4-oxo-6H,7H-pyrazolo[3,2-c][1,4]oxazine-2-carboxylate (C10H12N2O4) 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. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures Ethyl 6-methyl-4-oxo-6H,7H-pyrazolo[3,2-c][1,4]oxazine-2-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 | C10H12N2O4 |
| Molecular Weight | 224.21 g/mol |
| Appearance | Off-white to pale 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 2 |
Recommended Standards
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- Semaglutide impurity 73 (CAS CATO-C4X-222673)
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