2,4-Difluorobenzyl Bromide CAS 23915-07-3
| CAS No. | 23915-07-3 |
| Molecular Formula | C7H5BrF2 |
| Molecular Weight | 207.02 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2,4-Difluorobenzyl Bromide meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
2,4-Difluorobenzyl Bromide (CAS 23915-07-3) is a high-purity analytical reference standard with the molecular formula C7H5BrF2 and a molecular weight of 207.02 g/mol.
Structurally, 2,4-Difluorobenzyl Bromide (C7H5BrF2) contains 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 207.02 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C7H5BrF2 |
| Molecular Weight | 207.02 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Halogen Content | F/Br-containing |
Related Difluorobenzyl Standards
- 2,5-Difluorobenzyl Bromide (CAS 85117-99-3)
- 1-(2,6-Difluorobenzyl)-1h-imidazol-2-amine (CAS 1183183-91-6)
- 1-(2,4-Difluorobenzyl)-1h-imidazol-2-amine (CAS 1183720-53-7)
- 1-(3,5-Difluorobenzyl)-1h-pyrazol-4-amine (CAS 1240565-69-8)
- 1-(2,4-Difluorobenzyl)-1h-pyrazol-4-amine (CAS 1240578-13-5)
- 1-(2,3-Difluorobenzyl)-1h-1,2,4-triazol-3-amine (CAS 1182777-12-3)
- N-(3,5-difluorobenzyl)-4H-1,2,4-triazol-4-amine (CAS 1400635-46-2)
- 1-(2,5-Difluorobenzyl)-1h-1,2,3-triazol-4-amine (CAS 1511277-70-5)
Recommended Standards
- 1-Bromo-4-fluoro-2-(fluoromethyl)benzene (CAS 2244085-04-7)
- 1-Bromo-4,5-difluoro-2-methylbenzene (CAS 875664-38-3)
- 2-bromo-1,3-difluoro-4-methylbenzene (CAS 847502-89-0)
- 1-Bromo-3-(difluoromethyl)benzene (CAS 29848-59-7)
- 3-(2-Fluoro-4-methoxyphenoxy)cyclobutan-1-amine (CAS 1823669-52-8)
- (1S,3R,4S,5R)-1-(((E)-3-(3,4-Dihydroxyphenyl)acryloyl)oxy)-3,4,5-trihydroxycyclohexane-1-carboxylic acid (CAS 928005-87-2)
- 2-Propenoic acid, 2-methyl-, polymer with 2-methyl-2-propenenitrile (CAS 26352-07-8)
- 4-(4-Fluoro-3-methylphenyl)but-3-en-2-one (CAS 1571074-32-2)
- 2-(4-Methoxyphenyl)-4,5-diphenyl-1-[4-(trifluoromethoxy)phenyl]-1H-imidazole (CAS 1022404-16-5)
- Hydrocortisone Impurity N3 (CAS 23460-76-6)
- 5-(4-Bromophenyl)-N-phenyl-1,3,4-thiadiazol-2-amine (CAS 74959-54-9)
- 2-((3,5-Dimethylisoxazol-4-yl)(propyl)amino)propanamide (CAS 802023-79-6)
- Nifedipine HCl (CAS 60299-11-8)
- Endo-Gly29-Tirzepatide (CAS CATO-CPTD788685)
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