9-Oxo-1,9-dihydro-pyrazolo[5,1-b]quinazoline-3-carbaldehyde CAS 92560-76-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 92560-76-4 |
| Molecular Formula | C11H7N3O2 |
| Molecular Weight | 213.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
9-Oxo-1,9-dihydro-pyrazolo[5,1-b]quinazoline-3-carbaldehyde (CAS 92560-76-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H7N3O2. Molecular weight: 213.19 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H7N3O2 |
| Molecular Weight | 213.19 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1983 |
| Nitrogen Atoms | 3 |
Related Oxo Standards
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Recommended Standards
- 9H-Pyrrolo[2,3-b:5,4-c']dipyridine-6-carboxylic acid (CAS 946051-64-5)
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- 8-Fluoro-5-oxo-5H-thiazolo[3,2-a]pyridine-3-carboxylic acid (CAS 2387599-20-2)
- 4-Hydroxy-2-oxo-1-phenyl-1,2-dihydroquinoline-3-carbaldehyde (CAS 65740-53-6)
- 1,1-Cyclopropanedicarboxylic acid dimethyl ester (CAS 6914-71-2)
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- 4-Ethoxy-3,5-difluorobenzenethiol (CAS 1378525-15-5)
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