2-Methyl-7-oxo-3-phenyl-4,7-dihydro-pyrazolo-[1,5-a]pyrimidine-5-carboxylic acid CAS 947014-73-5
| CAS No. | 947014-73-5 |
| Molecular Formula | C14H11N3O3 |
| Molecular Weight | 269.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2-Methyl-7-oxo-3-phenyl-4,7-dihydro-pyrazolo-[1,5-a]pyrimidine-5-carboxylic acid (CAS 947014-73-5) is a high-purity analytical reference standard with the molecular formula C14H11N3O3 and a molecular weight of 269.26 g/mol.
Structurally, 2-Methyl-7-oxo-3-phenyl-4,7-dihydro-pyrazolo-[1,5-a]pyrimidine-5-carboxylic acid (C14H11N3O3) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 269.26 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), 2-Methyl-7-oxo-3-phenyl-4,7-dihydro-pyrazolo-[1,5-a]pyrimidine-5-carboxylic acid 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.
Physical & Chemical Properties
| Molecular Formula | C14H11N3O3 |
| Molecular Weight | 269.26 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.) | 1987 |
| Nitrogen Atoms | 3 |
Recommended Standards
- 2-Methyl-1,3-bis((4-methyl-1,2,5-oxadiazol-3-yl)oxy)propan-2-amine (CAS 340690-79-1)
- 3-((1-Methyl-1H-pyrazolo[3,4-d]pyrimidin-4-yl)amino)benzoic acid (CAS 361986-58-5)
- 2-Aminobenzyl 7H-purine-7-carboxylate (CAS 21266-46-6)
- 3-((5-Methyl-5H-pyrrolo[3,2-d]pyrimidin-4-yl)oxy)benzoic acid (CAS 919278-71-0)
- 3-Bromo-2-(difluoromethyl)-5,6-dihydro-4H-pyrrolo[1,2-b]pyrazole (CAS 2248387-28-0)
- Methyl 2-((tert-butoxycarbonyl)amino)-3-iodopropanoate (CAS 889670-02-4)
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