4H,5H-pyrazolo[1,5-a]quinazolin-5-one CAS 1494669-12-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1494669-12-3 |
| Molecular Formula | C10H7N3O |
| Molecular Weight | 185.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4H,5H-pyrazolo[1,5-a]quinazolin-5-one (CAS 1494669-12-3) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C10H7N3O. Molecular weight: 185.18 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C10H7N3O |
| Molecular Weight | 185.18 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| 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.) | 1992 |
| Nitrogen Atoms | 3 |
Recommended Standards
- 5-Amino-1-(ethoxymethyl)pyrimidine-2,4(1h,3h)-dione (CAS 1489647-82-6)
- 3-(1-Ethyl-1h-1,2,4-triazol-5-yl)-2-hydroxypropanoic acid (CAS 1495380-14-7)
- 5-Amino-3-(methoxymethyl)-1-methylpyrimidine-2,4(1h,3h)-dione (CAS 1488567-75-4)
- N,N-Dimethyl-2-(6-methylpyrimidin-4-yl)ethenamine (CAS 83256-17-1)
- tert-Butyl ((2S,3R)-2-methylpiperidin-3-yl)carbamate (CAS 1821742-03-3)
- 3-(3,3-Difluoroazetidin-1-yl)-4-nitrobenzaldehyde (CAS 1779119-35-5)
- Methyl 5-(((1-formylnaphthalen-2-yl)oxy)methyl)furan-2-carboxylate (CAS 438221-05-7)
- (2E)-1-(4-Bromophenyl)-3-[4-(propan-2-yl)phenyl]prop-2-en-1-one (CAS 196081-81-9)
- 6-methyl-3-(propan-2-yl)pyrido[3,2-d][1,2]oxazole-4-carboxylic acid (CAS 953891-44-6)
- Semaglutide impurity 211 (CAS CATO-C4X-2226211)
Why CATO?
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