Pyrazolo[1,5-a]pyrimidin-5(1H)-one CAS 1027534-43-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1027534-43-5 |
| Molecular Formula | C6H5N3O |
| Molecular Weight | 135.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Pyrazolo[1,5-a]pyrimidin-5(1H)-one (CAS 1027534-43-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H5N3O. Molecular weight: 135.12 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H5N3O |
| Molecular Weight | 135.12 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 3 |
Related Pyrazolo Standards
- pyrazolo[1,5-a]pyrimidin-6-ol (CAS 1580489-59-3)
- 1H-Pyrazolo[3,4-b]pyridin-1-ol (CAS 159487-16-8)
- 1H-Pyrazolo[3,4-b]pyridine 7-oxide (CAS 924909-11-5)
- 1H-Pyrazolo[3,4-c]pyridin-3(2H)-one, 97% (CAS 53975-70-5)
- 1H-Pyrazolo[4,3-b]pyridin-3(2H)-one (CAS 51617-92-6)
- 1H-Pyrazolo[4,3-b]pyridin-7(4H)-one (CAS 94220-42-5)
- 1H-Pyrazolo[4,3-c]pyridine 5-oxide (CAS 871836-50-9)
- 2H-Pyrazolo[3,4-c]pyridin-7(6H)-one (CAS 918882-26-5)
Recommended Standards
- 3H-Imidazo[4,5-b]pyridin-6-ol (CAS 1023815-26-0)
- 7-Hydroxy-[1,2,4]triazolo[1,5-a]pyridine (CAS 1033810-70-6)
- 5,5-Difluoro-1-methyl-2-pyrrolidinone (CAS 701216-95-7)
- (4-Cyanophenyl)zinc pivalate ( 0.96 mmol/g) (CAS 1344727-28-1)
- Ni in water quality (CAS CATO-CQCM102210)
- 2-(4-Bromophenyl)imidazo[1,2-a]pyrimidine-3-carbaldehyde (CAS 881040-02-4)
- 2,6-Dichloro-4-(difluoromethoxy)benzyl chloride (CAS 1805125-18-1)
- 2-Amino-6-hydroxybenzenesulfonamide (CAS 1243393-32-9)
- (Butan-2-yl)[(4-methoxyphenyl)methyl]amine (CAS 893577-83-8)
- Allo-Thr7-Tirzepatide (CAS CATO-CPTD788933)
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