3-Bromo-6-(4-chlorophenyl)-2-methylpyrazolo[1,5-a]pyrimidine CAS 439107-65-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 439107-65-0 |
| Molecular Formula | C13H9BrClN3 |
| Molecular Weight | 322.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
3-Bromo-6-(4-chlorophenyl)-2-methylpyrazolo[1,5-a]pyrimidine (CAS 439107-65-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C13H9BrClN3. Molecular weight: 322.59 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C13H9BrClN3 |
| Molecular Weight | 322.59 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 3 |
Recommended Standards
- 6-Chloro-5-methoxy-1-methyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrrolo[3,2-b]pyridine (CAS 2796288-73-6)
- (2-Chlorothiazol-5-yl)methyl 2,3-dichlorobenzoate (CAS 341967-80-4)
- 4-Hydroxy-3-nitro-2-(trifluoromethoxy)pyridine-5-sulfonyl chloride (CAS 1804718-57-7)
- 2-Chloro-7-(3,4-difluorophenyl)-N,5,5-trimethyl-6,7-dihydro-5H-pyrrolo[2,3-d]pyrimidin-4-amine (CAS 2171305-29-4)
- 2-(Triphenylphosphoranylidene)butanal (CAS 90601-08-4)
- 2,5-Dibromo-3,4,6-trifluoroaniline (CAS 232267-32-2)
- 13-OxoODE (CAS 54739-30-9)
- 6-Ethyl-2-(3,4,5-trimethoxybenzamido)-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-3-carboxamide hydrochloride (CAS 1217125-23-9)
- Ethyl 2-(azepan-1-yl)-5-chlorothiazole-4-carboxylate (CAS 1403568-12-6)
- Semaglutide Impurity 165 (CAS CATO-C4X-2226165)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com