2-Methyl-3,5-diphenylpyrazolo[1,5-a]pyrimidin-7-ol CAS 331739-46-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 331739-46-9 |
| Molecular Formula | C19H15N3O |
| Molecular Weight | 301.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Methyl-3,5-diphenylpyrazolo[1,5-a]pyrimidin-7-ol (CAS 331739-46-9) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C19H15N3O. Molecular weight: 301.34 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C19H15N3O |
| Molecular Weight | 301.34 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
Related Methyl Standards
- 2,3-Diphenylpyrazolo[1,5-a]pyrimidine-6-carbaldehyde (CAS 1235439-22-1)
- 5,7-Diphenylpyrazolo[1,5-a]pyrimidine-2-carboxylic acid (CAS 299406-03-4)
- 5,7-Diphenylpyrazolo[1,5-a]pyrimidine-2-carboxylic acid (CAS 5646-98-0)
- 5,7-Diphenylpyrazolo[1,5-a]pyrimidine-3-carboxylic acid (CAS 352208-55-0)
- 3,8-Diphenylpyrazolo[5,1-c][1,2,4]triazin-4-amine (CAS 1306738-72-6)
- 2,5-Diphenylpyrazolo[1,5-a]pyrimidin-7-ol (CAS 331968-09-3)
- 2,5-Diphenylpyrazolo[1,5-a]pyrimidin-7-amine (CAS 310422-25-4)
- 3,6-Diphenylpyrazolo[1,5-a]pyrimidin-7-amine (CAS 32016-25-4)
Recommended Standards
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- 1404195-10-3 3-Chloro-4-methyl-(trifluoromethoxy)benzene MFCD22580898 (CAS 1404195-10-3)
- 8-Methoxy-6-methyl-3,4-dihydro-2h-1-benzopyran-4-one (CAS 1094288-70-6)
- 1-BROMO-2-ETHYL-4-FLUOROBENZENE 1781676-21-8 (CAS 1781676-21-8)
- 1-(1-(Methoxyimino)-2,3-dihydro-1H-inden-5-yl)-2-(pyridin-4-yl)ethane-1,2-dione (CAS 405554-66-7)
- Semaglutide（sodium salt） (CAS CATO-C4X-222619)
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