949034-45-1 3-Acetyl-1H-pyrazole-5-carboxylic acid DTXSID50587972 CAS 949034-45-1
| CAS No. | 949034-45-1 |
| Molecular Formula | C6H6N2O3 |
| Molecular Weight | 154.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 949034-45-1 3-Acetyl-1H-pyrazole-5-carboxylic acid DTXSID50587972 meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
949034-45-1 3-Acetyl-1H-pyrazole-5-carboxylic acid DTXSID50587972 (CAS 949034-45-1), molecular formula C6H6N2O3 and molecular weight 154.12 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C6H6N2O3, 949034-45-1 3-Acetyl-1H-pyrazole-5-carboxylic acid DTXSID50587972 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 154.12 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).
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.
Physical & Chemical Properties
| Molecular Formula | C6H6N2O3 |
| Molecular Weight | 154.12 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, 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 |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 2 |
Recommended Standards
- 6018-41-3 1S7TMF0R8T Methyl coumalate Methyl 2-oxo-2H-pyran-5-carboxylate 2H-Pyran-5-carboxylic acid, 2-oxo-, methyl ester (8CI)(9CI) Coumalic acid, methyl ester EINECS 227-871-1 NSC 137387 NSC 34627 UNII-1S7TMF0R8T (CAS 6018-41-3)
- Imidazole Pyruvic acid (CAS 2504-83-8)
- 34415-10-6 4-Pyrimidinecarboxylic acid, 1,6-dihydro-2-methyl-6-oxo- (9CI) 4-Pyrimidinecarboxylic acid, 6-hydroxy-2-methyl- 2-Methylorotic acid NSC 58348 (CAS 34415-10-6)
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