2,7-Dimethyl-3-phenylpyrazolo[1,5-a]pyrimidine-5-carboxylic acid CAS 887833-47-8
| CAS No. | 887833-47-8 |
| Molecular Formula | C15H13N3O2 |
| Molecular Weight | 267.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 267.28 g/mol gives 2,7-Dimethyl-3-phenylpyrazolo[1,5-a]pyrimidine-5-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2,7-Dimethyl-3-phenylpyrazolo[1,5-a]pyrimidine-5-carboxylic acid (CAS 887833-47-8), molecular formula C15H13N3O2 and molecular weight 267.28 g/mol, is a CATO reference standard with documented purity and traceability.
2,7-Dimethyl-3-phenylpyrazolo[1,5-a]pyrimidine-5-carboxylic acid (C15H13N3O2) contains a nitrogen-containing heterocyclic scaffold, 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 presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 2,7-Dimethyl-3-phenylpyrazolo[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 | C15H13N3O2 |
| Molecular Weight | 267.28 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 |
Related Dimethyl Standards
- 5,6-Dimethyl-2-(2-nitrophenyl)-1H-benzo[d]imidazole (CAS 10173-74-7)
- 5,7-dimethyl-3-phenylpyrazolo[1,5-a]pyrimidine-6-carboxylic acid (CAS 1018125-27-3)
- 4,6-Dimethyl-3-(3-phenyl-1,2,4-oxadiazol-5-yl)pyridin-2-ol (CAS 1223888-72-9)
- 1,3-Dimethyl-6-phenyl-1h-pyrazolo[3,4-b]pyridine-4-carboxylic acid (CAS 924014-94-8)
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- 2,6-DImethyl-1-oxy-pyridine-3,5-dicarboxylic acid diethyl ester (CAS 33521-04-9)
- 2,7-Dimethyl-3-phenylpyrazolo[1,5-a]pyrimidine-6-carboxylic acid (CAS 853104-06-0)
Recommended Standards
- 2,4-Dioxo-3-azaspiro[5.5]undecane-1,5-dicarboxamide (CAS 872696-79-2)
- 2-[(3,4-diethoxyphenyl)formamido]acetic acid (CAS 568544-09-2)
- 2-(Furan-2-yl)-7,8-dimethylquinoline-4-carboxylic acid (CAS 588695-31-2)
- 2-[(3,5-Dimethylphenyl)amino]-5-nitrobenzonitrile (CAS 876556-20-6)
- Tert-butyl 4-(N-cyclopropylsulfamoyl)piperidine-1-carboxylate (CAS 2387223-59-6)
- 2-Formamido-3-phenylpropanoic acid (CAS 4289-95-6)
- 1-(3-Bromo-4-hydroxyphenyl)propan-1-one (CAS 18430-72-3)
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