(R)-4-Bromo-1-(2,2-difluorocyclopropyl)-5-methyl-1H-pyrazole CAS 2641062-83-9
| CAS No. | 2641062-83-9 |
| Molecular Formula | C7H7BrF2N2 |
| Molecular Weight | 237.04 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 (R)-4-Bromo-1-(2,2-difluorocyclopropyl)-5-methyl-1H-pyrazole (CAS 2641062-83-9), a certified reference material (molecular formula C7H7BrF2N2, MW 237.04 g/mol) for analytical method development and quality control.
Structurally, (R)-4-Bromo-1-(2,2-difluorocyclopropyl)-5-methyl-1H-pyrazole (C7H7BrF2N2) contains a nitrile group, fluorine/bromine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 237.04 g/mol, it falls into the medium-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 (R)-4-Bromo-1-(2,2-difluorocyclopropyl)-5-methyl-1H-pyrazole 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 | C7H7BrF2N2 |
| Molecular Weight | 237.04 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2002 |
| Halogen Content | F/Br-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
- (5-Bromo-2,4-difluoro-3-methylphenyl)methanol (CAS 2432848-70-7)
- (S)-4-Bromo-1-(2,2-difluorocyclopropyl)-5-methyl-1H-pyrazole (CAS 2641062-84-0)
- (5-Bromo-2,3-difluoro-4-methylphenyl)methanol (CAS 2484889-29-2)
- 1-(2-Bromoethoxy)-2,3-difluorobenzene (CAS 426843-00-7)
- 2-((2,5-Dioxo-1-phenyl-2,5-dihydro-1H-pyrrol-3-yl)amino)benzaldehyde (CAS 10351-59-4)
- (S)-Oxetan-2-ylmethanamine 4-methylbenzenesulfonate (CAS 2740593-38-6)
- 2-Amino-6-bromo-4-fluorophenol (CAS 502496-32-4)
- 3-Fluoro-5-(furan-2-yl)phenol (CAS 1261996-61-5)
- 2-Cyano-N-(4-nitrophenyl)-2-(triphenylphosphoranylidene)acetamide (CAS 919365-93-8)
- 6-Phenoxynicotinonitrile (CAS 99902-72-4)
- (3-Hydroxyphenyl)(imino)(methyl)-l6-sulfanone (CAS 2059935-51-0)
- Methyl 3-amino-4-(2-fluorophenyl)thiophene-2-carboxylate (CAS 1325307-27-4)
- [(3-Fluorophenyl)methyl](propyl)amine hydrochloride (CAS 90389-42-7)
- Fibrinogen-Binding Peptide (CAS 137235-80-4)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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