1-(Bromomethyl)-2-chloro-4,5-difluorobenzene CAS 874285-21-9
| CAS No. | 874285-21-9 |
| Molecular Formula | C7H4BrClF2 |
| Molecular Weight | 241.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 1-(Bromomethyl)-2-chloro-4,5-difluorobenzene 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.
1-(Bromomethyl)-2-chloro-4,5-difluorobenzene (CAS 874285-21-9), molecular formula C7H4BrClF2 and molecular weight 241.46 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 1-(Bromomethyl)-2-chloro-4,5-difluorobenzene (C7H4BrClF2) contains fluorine/chlorine/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 241.46 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C7H4BrClF2 |
| Molecular Weight | 241.46 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.) | 1987 |
| Halogen Content | F/Cl/Br-containing |
Related Bromomethyl Standards
- 1-(Bromomethyl)-2-chloro-3,5-difluorobenzene (CAS 1239353-49-1)
- 5-(Bromomethyl)-2-chloro-1,3-difluorobenzene (CAS 1400991-56-1)
- 5-(Bromomethyl)-1-chloro-2,3-difluorobenzene (CAS 1805225-13-1)
- 2-(Bromomethyl)-1-chloro-3,5-difluorobenzene (CAS 1805526-63-9)
- 1-(Bromomethyl)-3-chloro-2,5-difluorobenzene (CAS 1807044-80-9)
- 1-(Bromomethyl)-3-chloro-2,4-difluorobenzene (CAS 886501-15-1)
- 1-(Bromomethyl)-5-chloro-2,4-difluorobenzene (CAS 915409-64-2)
- 2-(Bromomethyl)-4-chloro-1,3-difluorobenzene (CAS 261762-47-4)
Recommended Standards
- 4-CHLORO-2,3-DIFLUOROBENZYL BROMIDE (CAS 1807217-14-6)
- 2-Bromo-4,6-difluorobenzyl chloride (CAS 1807071-32-4)
- 1-Bromo-2-chloro-4-fluoro-3-(fluoromethyl)benzene (CAS 2244083-98-3)
- 1-Bromo-4-chloro-2-fluoro-3-(fluoromethyl)benzene (CAS 943830-50-0)
- Butyl(mercapto)stannanone (CAS 26410-42-4)
- (1-(3-Amino-4-nitrophenyl)piperidin-4-yl)methanol (CAS 1604046-43-6)
- 4-(3-Fluoropropoxy)phenol (CAS 1346521-22-9)
- 4-Chloro-5-(((2-methylallyl)thio)methyl)isoxazol-3(2H)-one (CAS 89660-98-0)
- Ethyl 7-(2,4-dichlorophenyl)-7-oxoheptanoate (CAS 898778-02-4)
- Thebaol (CAS 481-81-2)
- 2,2,2-Trifluoro-1-(oxiran-2-yl)-1-phenylethan-1-ol (CAS 351003-37-7)
- 2-(2-Amino-4-(2,4,5-trimethylphenyl)thiazol-5-yl)acetic acid (CAS 1416346-78-5)
- 8-Fluoroquinolin-7-ol (CAS 1261729-79-6)
- Proinsulin C-Peptide (55-89) (human) (CAS 11097-48-6)
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 18665070610 / Nicole.chen@cato-chem.com