2-Methylpyrazolo[1,5-a]quinazolin-5(4H)-one CAS 25468-50-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 25468-50-2 |
| Molecular Formula | C11H9N3O |
| Molecular Weight | 199.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Methylpyrazolo[1,5-a]quinazolin-5(4H)-one (CAS 25468-50-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H9N3O. Molecular weight: 199.21 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H9N3O |
| Molecular Weight | 199.21 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |
| Nitrogen Atoms | 3 |
Related Methylpyrazolo Standards
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- 2-Methylpyrazolo[1,5-a]pyrimidine-3-carbonyl chloride (CAS 96319-39-0)
- ethyl 3-methylpyrazolo[1,5-a]pyridine-2-carboxylate (CAS 1398584-48-9)
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Recommended Standards
- 2-Methyl-1H-imidazo[4,5-f]quinolin-9(6H)-one (CAS 82723-48-6)
- 2-Phenylisonicotinic Acid (CAS 55240-51-2)
- 2-Hydroxy-5-(pyridin-4-yl)benzaldehyde (CAS 342037-21-2)
- 3,8-dibromo-1,5-naphthyridine (CAS 154015-16-4)
- 6-Hydroxy-3-pyridinecarboxaldehyde (CAS 106984-91-2)
- 1,3-Dimethyl-2,4-dioxo-1,2,3,4-tetrahydropyrido[2,3-d]pyrimidine-6-sulfonyl chloride (CAS 1240529-56-9)
- n-Octadecyl-d37 Alcohol (CAS 204259-62-1)
- (2Z)-1-[3-Chloro-5-(trifluoromethyl)pyridin-2-yl]-2-(ethoxymethylidene)butane-1,3-dione (CAS 900014-69-9)
- (S)-FuP-tBu (CAS 912457-08-0)
- (Tyr9)-Cholecystokinin Octapeptide (sulfated) (H-9770.0005) (CAS 96607-61-3)
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