2-Chloro-5-methylphenylboronic Acid CAS 193353-35-4
| CAS No. | 193353-35-4 |
| Molecular Formula | C7H8BClO2 |
| Molecular Weight | 170.40 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.
2-Chloro-5-methylphenylboronic Acid (CAS 193353-35-4), molecular formula C7H8BClO2 and molecular weight 170.40 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-Chloro-5-methylphenylboronic Acid (C7H8BClO2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 3.5, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 170.40 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO manufactures 2-Chloro-5-methylphenylboronic 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 | C7H8BClO2 |
| Molecular Weight | 170.40 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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.) | 2012 |
| Halogen Content | Cl-containing |
Related Chloro Standards
- 2-Chloro-4-methylphenylboronic Acid (CAS 145349-62-8)
- 5-Chloro-2-methylbenzeneboronic Acid (CAS 148839-33-2)
- 4-Chloro-3-methylphenylboronic Acid (CAS 161950-10-3)
- 3-Chloro-4-methylphenylboronic Acid (CAS 175883-63-3)
- (2-Chloro-3-methylphenyl)boronic acid (CAS 915070-53-0)
- (2-chloro-6-methylphenyl)boronic acid (CAS 851756-51-9)
- 3-Chloro-2-methylphenylboronic Acid (CAS 313545-20-9)
- 3-Chloro-5-methylphenylboronic Acid (CAS 913836-14-3)
Recommended Standards
- (2-(Chloromethyl)phenyl)boronic acid (CAS 374551-13-0)
- (4-(Chloromethyl)phenyl)boronic acid (CAS 164413-77-8)
- (3-(Chloromethyl)phenyl)boronic acid (CAS 957035-15-3)
- Bis(trimethylsilyl)acetylene (CAS 14630-40-1)
- 2-bromo-6-ethenylpyridine (CAS 931582-13-7)
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