5-Methyl-3-phenylpyrazolo[1,5-a]pyrimidin-7(4H)-one CAS 77493-78-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 77493-78-8 |
| Molecular Formula | C13H11N3O |
| Molecular Weight | 225.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-Methyl-3-phenylpyrazolo[1,5-a]pyrimidin-7(4H)-one (CAS 77493-78-8), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C13H11N3O. Molecular weight: 225.25 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C13H11N3O |
| Molecular Weight | 225.25 g/mol |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1979 |
| Nitrogen Atoms | 3 |
Related Methyl Standards
- 2-Methyl-5-phenylpyrazolo[1,5-a]pyrimidin-7(4H)-one (CAS 107625-17-2)
- 2-Methyl-7-phenylpyrazolo[1,5-a]pyrimidin-5-ol (CAS 309949-80-2)
- 5-methyl-2-phenylpyrazolo[1,5-a]pyrimidin-7(4H)-one (CAS 65774-92-7)
- 5-Methyl-2-phenylpyrazolo[1,5-a]pyrimidin-7-ol (CAS 90019-55-9)
- 7-Methyl-5-phenylpyrazolo[1,5-a]pyrimidin-2-ol (CAS 91902-03-3)
- 3-Phenylpyrazolo[1,5-a]pyrimidine-2,7(1H,4H)-dione (CAS 1334487-59-0)
- 2-Phenylpyrazolo[1,5-a]pyrimidine-5,7-diol (CAS 64947-24-6)
- 3-Phenylpyrazolo[1,5-a]pyrimidine-5,7-diol (CAS 99898-63-2)
Recommended Standards
- 5-Methyl-3-phenyl-4-(1H-pyrazol-5-yl)isoxazole (CAS 265125-69-7)
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- 1159976-99-4 5,6-Dimethyl-3-pyridinemethanol 3-Acetate 5-Acetoxymethyl-2,3-dimethylpyridine (CAS 1159976-99-4)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com