4,5-Dichloro-2-(trifluoromethyl)phenylboronic acid CAS 2121511-64-4
| CAS No. | 2121511-64-4 |
| Molecular Formula | C7H4BCl2F3O2 |
| Molecular Weight | 258.82 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 258.82 g/mol gives 4,5-Dichloro-2-(trifluoromethyl)phenylboronic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4,5-Dichloro-2-(trifluoromethyl)phenylboronic acid (CAS 2121511-64-4) is a high-purity analytical reference standard with the molecular formula C7H4BCl2F3O2 and a molecular weight of 258.82 g/mol.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, 4,5-Dichloro-2-(trifluoromethyl)phenylboronic acid is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 258.82 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
CATO manufactures 4,5-Dichloro-2-(trifluoromethyl)phenylboronic acid 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 | C7H4BCl2F3O2 |
| Molecular Weight | 258.82 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | F/Cl-containing |
Related Dichloro Standards
- 2,6-Dichloro-3-(trifluoromethyl)phenylboronic acid (CAS 1027059-21-7)
- (2,6-Dichloro-4-(trifluoromethyl)phenyl)boronic acid (CAS 1887240-36-9)
- (3,5-Dichloro-4-(trifluoromethyl)phenyl)boronic acid (CAS 2304546-23-2)
- 2,6-Dichloro-4-(trifluoromethoxy)benzaldehyde (CAS 118754-54-4)
- 2,3-dichloro-5-(trifluoromethyl)isonicotinamide (CAS 1198475-46-5)
- 2,6-Dichloro-4-(trifluoromethyl)nicotinamide (CAS 158063-67-3)
- 3,4-Dichloro-5-(trifluoromethoxy)benzaldehyde (CAS 1706430-32-1)
- 3,4-Dichloro-5-(trifluoromethyl)benzoic acid (CAS 1706458-41-4)
Recommended Standards
- (3-Bromo-5-formyl-2-methoxyphenyl)boronic acid (CAS 1072951-80-4)
- (2-Bromo-5-(methoxycarbonyl)phenyl)boronic acid (CAS 2225178-33-4)
- 4-(((tert-Butyldimethylsilyl)oxy)methyl)-2-chloropyrimidine (CAS 1628627-36-0)
- (3-Bromo-4-(methoxycarbonyl)phenyl)boronic acid (CAS 2788844-32-4)
- 1-(2-Chloro-5-(trifluoromethyl)phenyl)-3-(4,6-dimethylpyrimidin-2-yl)guanidine (CAS 351468-83-2)
- (S)-4-(Trifluoromethyl)-2,3-dihydro-1H-inden-1-ol (CAS 1202577-82-9)
- Atramycin A (CAS 137109-48-9)
- 4-Amino-5-(4-bromobenzoyl)isoxazole-3-carboxamide (CAS 696620-24-3)
- 4-(Bromomethyl)-7,8-difluoroquinolin-2(1H)-one (CAS 953070-72-9)
- 2-(1-Benzyl-2-oxopyrrolidin-3-yl)-N-hydroxyacetamide (CAS 798543-04-1)
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