4-Oxo-7-phenyl-1,4-dihydropyrazolo[5,1-c][1,2,4]triazine-3-carboxylic acid CAS 1421244-87-2
| CAS No. | 1421244-87-2 |
| Molecular Formula | C12H8N4O3 |
| Molecular Weight | 256.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C12H8N4O3, 4-Oxo-7-phenyl-1,4-dihydropyrazolo[5,1-c][1,2,4]triazine-3-carboxylic acid contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 256.22 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
4-Oxo-7-phenyl-1,4-dihydropyrazolo[5,1-c][1,2,4]triazine-3-carboxylic acid (CAS 1421244-87-2) is a high-purity analytical reference standard with the molecular formula C12H8N4O3 and a molecular weight of 256.22 g/mol.
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 4-Oxo-7-phenyl-1,4-dihydropyrazolo[5,1-c][1,2,4]triazine-3-carboxylic acid 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 | C12H8N4O3 |
| Molecular Weight | 256.22 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 4 |
Recommended Standards
- 2-(7-(3-Methyl-1,2,4-oxadiazol-5-yl)-3-oxo-[1,2,4]triazolo[4,3-a]pyridin-2(3H)-yl)acetonitrile (CAS 1396637-93-6)
- 5-(3-(Trifluoromethyl)phenyl)cyclohexane-1,3-dione (CAS 144128-67-6)
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- 2-[(4-methoxyphenyl)methyl]-1,1-dioxo-1,2,5-thiadiazolidin-3-one (CAS 612530-85-5)
- Semaglutide impurity 86 (CAS CATO-C4X-152686)
Why CATO?
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