Ethyl 4-hydroxy-5,6,7,8-tetrahydro-4H-pyrazolo[1,5-a]azepine-2-carboxylate CAS 459157-28-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 459157-28-9 |
| Molecular Formula | C11H16N2O3 |
| Molecular Weight | 224.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 4-hydroxy-5,6,7,8-tetrahydro-4H-pyrazolo[1,5-a]azepine-2-carboxylate (CAS 459157-28-9) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C11H16N2O3. Molecular weight: 224.26 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C11H16N2O3 |
| Molecular Weight | 224.26 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
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Recommended Standards
- ethyl 3-oxazol-4-ylpiperidine-1-carboxylate (CAS 2383660-95-3)
- Ethyl 5,5-dimethyl-6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazine-2-carboxylate (CAS 2413408-09-8)
- Ethyl 3-Cyclohexyl-1,2,4-oxadiazole-5-carboxylate (CAS 49586-75-6)
- 2-(tert-Butylthio)benzaldehyde (CAS 65924-65-4)
- 4-amino-1-{2-[(2-methoxyethyl)(methyl)amino]ethyl}pyrrolidin-2-one dihydrochloride (CAS 1803612-36-3)
- 1,2-Bis(2,4-dichlorophenyl)ethane-1,2-dione (CAS 54696-56-9)
- (7E, 10E)-7,10-Hexadecadienoic Acid (CAS 2936-83-6)
- 5-(1,1-Difluoroethyl)pyridin-2-amine (CAS 1335054-32-4)
- 1-(1H-Imidazol-4-yl)-2,2-dimethylpropan-1-one (CAS 61985-31-7)
- [Ser]8-Acetylated Semaglutide (CAS CATO-C4X-2226218)
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