Ethyl 6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazine-3-carboxylate CAS 1173003-60-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1173003-60-5 |
| Molecular Formula | C9H12N2O3 |
| Molecular Weight | 196.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazine-3-carboxylate (CAS 1173003-60-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H12N2O3. Molecular weight: 196.20 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H12N2O3 |
| Molecular Weight | 196.20 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| 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.) | 1989 |
| Nitrogen Atoms | 2 |
Related Ethyl Standards
- 3-Ethyl-6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazine-2-carboxylic acid (CAS 1239723-94-4)
- Ethyl 6,7-dihydro-4H-pyrazolo[5,1-c][1,4]oxazine-3-carboxylate (CAS 1253790-00-9)
- Methyl 2-(6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazin-3-yl)acetate (CAS 1365942-09-1)
- Ethyl 6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazine-2-carboxylate (CAS 153597-59-2)
- 2-(2-Methyl-6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazin-3-yl)acetic acid (CAS 1779841-26-7)
- 2-Ethyl-6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazine-3-carboxylic acid (CAS 1936052-21-9)
- 1-(6,7-Dihydro-[1,4]dioxino[2,3-d]pyrimidin-2-yl)propan-1-ol (CAS 946505-94-8)
- 2,3-Dihydro-1H-phenalene-1,3-dione (CAS 5821-59-0)
Recommended Standards
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