5-Ethylpyrazolo[1,5-a]pyrimidin-7(4H)-one CAS 244127-30-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 244127-30-8 |
| Molecular Formula | C8H9N3O |
| Molecular Weight | 163.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Ethylpyrazolo[1,5-a]pyrimidin-7(4H)-one (CAS 244127-30-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H9N3O. Molecular weight: 163.18 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H9N3O |
| Molecular Weight | 163.18 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 |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
Related Ethylpyrazolo Standards
- 4-Ethylpyrazolo[1,5-a]pyrimidin-7(4H)-one (CAS 55197-18-7)
- 2-Ethylpyrazolo[1,5-a]pyrimidin-6-amine (CAS 1356003-22-9)
- 3-Ethylpyrazolo[1,5-a]pyrimidin-6-amine (CAS 1707713-94-7)
- 1-ethylpyrazolo[4,3-d]pyrimidine (CAS 1357143-38-4)
- 3-Ethylpyrazolo[1,5-a]pyrimidine-5,7(4H,6H)-dione (CAS 779353-63-8)
- 2-Ethylpyrazolo[1,5-a]pyridine (CAS 475174-65-3)
- 2-Ethylpyrazolo[1,5-a]pyridine-3-carboxylic acid (CAS 1312585-82-2)
- 2-Ethylpyrazolo[1,5-a]pyrimidine-6-carboxylic acid (CAS 1707575-91-4)
Recommended Standards
- 5-Ethoxy-[1,2,4]triazolo[4,3-a]pyridine (CAS 66999-66-4)
- 5-hydrazinyl-2-methoxybenzonitrile (CAS 206885-28-1)
- 5-azido-4,5,6,7-tetrahydropyrazolo[1,5-a]pyridine (CAS 866216-19-5)
- 3-(2-Bromo-1-methoxyethyl)oxolane (CAS 1955557-65-9)
- 2-(1,2-Thiazol-5-yl)ethan-1-ol (CAS 1009068-65-8)
- 4-(4-Phenylmethoxyphenyl)-4,5,6,7-tetrahydro-1H-imidazo[4,5-c]pyridine (CAS 359685-79-3)
- 3-(2-Methylpyridin-4-yl)-1-trityl-1H-pyrazolo[4,3-c]pyridin-6-amine (CAS 1431719-90-2)
- 7-Methylimidazo[1,2-a]pyrimidine-2,5(1H,3H)-dione (CAS 53854-17-4)
- 1-(3-Chlorophenyl)pyrrolidine-2,5-dione (CAS 15386-99-9)
- Semaglutide Impurity 142 (CAS CATO-C4X-2226142)
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