3-Bromo-7-(2,4-dichlorophenyl)-2-methylpyrazolo[1,5-a]pyrimidine CAS 478249-01-3
| CAS No. | 478249-01-3 |
| Molecular Formula | C13H8BrCl2N3 |
| Molecular Weight | 357.03 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies 3-Bromo-7-(2,4-dichlorophenyl)-2-methylpyrazolo[1,5-a]pyrimidine (CAS 478249-01-3), a certified reference material (molecular formula C13H8BrCl2N3, MW 357.03 g/mol) for analytical method development and quality control.
Structurally, 3-Bromo-7-(2,4-dichlorophenyl)-2-methylpyrazolo[1,5-a]pyrimidine (C13H8BrCl2N3) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine/bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 357.03 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures 3-Bromo-7-(2,4-dichlorophenyl)-2-methylpyrazolo[1,5-a]pyrimidine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C13H8BrCl2N3 |
| Molecular Weight | 357.03 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 |
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