4H,5H,6H,7H-pyrazolo[1,5-a]pyrimidin-5-one CAS 29303-21-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 29303-21-7 |
| Molecular Formula | C6H7N3O |
| Molecular Weight | 137.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4H,5H,6H,7H-pyrazolo[1,5-a]pyrimidin-5-one (CAS 29303-21-7) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C6H7N3O. Molecular weight: 137.14 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C6H7N3O |
| Molecular Weight | 137.14 g/mol |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1965 |
| Nitrogen Atoms | 3 |
Recommended Standards
- 4-Amino-6-methylpyrimidine-5-carbaldehyde (CAS 76574-46-4)
- 4-Hydroxybenzaldehyde oxime (CAS 60221-52-5)
- 4-Amino-6-methylpyridazine-3-carbaldehyde (CAS 80887-03-2)
- cis-2-methoxycyclopentanamine;hydrochloride (CAS 1431373-71-5)
- 3-Fluoro-N-(piperidin-4-yl)benzamide (CAS 886504-86-5)
- 864528-33-6 3-(Azidomethyl)pyridine DTXSID60672500 (CAS 864528-33-6)
- 2,3,4,5-tetrahydro-1$l^{4},5-benzothiazepin-1-one (CAS 1354961-46-8)
- 1,4-Dimethyltetralin, 56% (CAS 4175-54-6)
- (1-(3,4-Dichlorophenyl)pyrrolidin-3-yl)methanol (CAS 848317-69-1)
- a2,3-Sialylglycopeptide (CAS 189035-43-6)
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