4-Ethylpyrazolo[1,5-a]pyrimidin-7(4H)-one CAS 55197-18-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 55197-18-7 |
| Molecular Formula | C8H9N3O |
| Molecular Weight | 163.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Ethylpyrazolo[1,5-a]pyrimidin-7(4H)-one (CAS 55197-18-7) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C8H9N3O. Molecular weight: 163.18 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
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.) | 1972 |
| Nitrogen Atoms | 3 |
Related Ethylpyrazolo Standards
- 5-Ethylpyrazolo[1,5-a]pyrimidin-7(4H)-one (CAS 244127-30-8)
- 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
- 4-Ethyl-6-hydroxy-2-methylpyrimidine-5-carbonitrile (CAS 64929-23-3)
- 4-Methoxy-1H-indazol-3-amine (CAS 886362-07-8)
- 4-Ethoxy-2-methylpyrimidine-5-carbonitrile (CAS 874495-29-1)
- Dosulepin Hydrochloride - Impurity E (Hydrochloride Salt) (CAS 25627-39-8)
- Benzyl 1-(4-chlorophenyl)-2,5-dihydro-5-oxo-1H-1,2,4-triazole-3-carboxylate (CAS 1000577-09-2)
- 4-aminobicyclo[2.1.1]hexan-1-ol (CAS 2170371-97-6)
- 2-(Chloromethyl)-5-ethylbenzo[d]oxazole (CAS 1516640-21-3)
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- 3-Fluoro-1,1'-biphenyl (CAS 2367-22-8)
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