3-Bromopyrazolo[1,5-a]pyrimidin-5(4H)-one CAS 1198569-35-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1198569-35-5 |
| Molecular Formula | C6H4BrN3O |
| Molecular Weight | 214.02 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Bromopyrazolo[1,5-a]pyrimidin-5(4H)-one (CAS 1198569-35-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H4BrN3O. Molecular weight: 214.02 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H4BrN3O |
| Molecular Weight | 214.02 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; 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.) | 1989 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 3 |
Related Bromopyrazolo Standards
- 2-Bromopyrazolo[1,5-a]pyrimidin-7(4H)-one (CAS 1203705-57-0)
- 3-Bromopyrazolo[1,5-a]pyrimidin-6-ol (CAS 1314893-97-4)
- 5-Bromopyrazolo[1,5-c]pyrimidin-7(6H)-one (CAS 1369358-75-7)
- 2-Bromopyrazolo[1,5-a]pyrimidin-5(4H)-one (CAS 2357108-27-9)
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Recommended Standards
- 6-Bromooxazolo[5,4-b]pyridin-2-amine (CAS 1198319-39-9)
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- 8-bromo-2H-[1,2,4]triazolo[4,3-a]pyridin-3-one (CAS 1207970-25-9)
- 7-Isopentyl-3-methyl-8-(methylamino)-3,7-dihydro-1H-purine-2,6-dione (CAS 313660-80-9)
- (3Z)-3-[(Dimethylamino)methylene]-6-methyl-2H-pyran-2,4(3H)-dione (CAS 181277-21-4)
- 2-Chloro-5-(methylsulfanyl)aniline (CAS 15945-75-2)
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- Tert-butyl 2-bromo-3-cyclohexyl-1H-indole-6-carboxylate (CAS 879498-90-5)
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