7,8-Dihydropyrazolo[5,1-b]quinazolin-5(6H)-one CAS 1428139-25-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1428139-25-6 |
| Molecular Formula | C10H9N3O |
| Molecular Weight | 187.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7,8-Dihydropyrazolo[5,1-b]quinazolin-5(6H)-one (CAS 1428139-25-6) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C10H9N3O. Molecular weight: 187.20 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C10H9N3O |
| Molecular Weight | 187.20 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 3 |
Related Dihydropyrazolo Standards
- 8,9-DIhydropyrazolo[1,5-a]quinazolin-6(7h)-one (CAS 612064-76-3)
- ethyl 2,3-dihydropyrazolo[5,1-b]oxazole-6-carboxylate (CAS 623565-48-0)
- 7-oxo-1,6-dihydropyrazolo[4,3-d]pyrimidine-3-carboxylic acid (CAS 13958-53-7)
- 2-Methyl-4,5-dihydropyrazolo[1,5-a]quinoxaline (CAS 193151-04-1)
- 6-oxo-1,7-dihydropyrazolo[3,4-b]pyridine-5-carboxylic acid (CAS 1516809-63-4)
- Ethyl 1,2-dihydropyrazolo[1,5-a]pyridine-2-carboxylate (CAS 2518137-44-3)
- 2-(6-Methyl-2,3-dihydropyrazolo[5,1-b]oxazol-7-yl)acetic acid (CAS 1784855-91-9)
- 6-Ethyl-2,3-dihydropyrazolo[5,1-b]oxazole-7-carboxylic acid (CAS 1935125-31-7)
Recommended Standards
- 7-amino-1H-pyrazolo[4,3-d]pyrimidine-3-carboxylic acid (CAS 13877-58-2)
- 2-Cyclopropylpyrido[3,4-d]pyrimidin-4(3H)-one (CAS 1437481-06-5)
- 2-(1,8-Naphthyridin-2-yl)acetamide (CAS 1378671-05-6)
- N-((Tetrahydrofuran-2-yl)methyl)-[1,3]dioxolo[4,5-g]quinolin-8-amine (CAS 500214-41-5)
- 6-Bromo-(4-methoxybenzylamino)pyridine (CAS 312263-22-2)
- 5-(4-(Trifluoromethyl)phenyl)-1H-1,2,3-triazole (CAS 369363-62-2)
- Ethyl (cyanomethyl)(p-tolyl)carbamate (CAS 750614-80-3)
- Indometacin EP Impurity J (CAS 402849-25-6)
- 2-Chloro-N-(Ethoxymethyl)-N-[2-Methyl-6-(Trifluoromethyl)Phenyl]Acetamide (CAS 78194-29-3)
- Heptapeptide-6 (CAS CATO-CPTD788823)
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