2,4-Dichloro-5-methylphenylboronic acid pinacol ester CAS 2121512-39-6
| CAS No. | 2121512-39-6 |
| Molecular Formula | C13H17BCl2O2 |
| Molecular Weight | 286.99 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 286.99 g/mol gives 2,4-Dichloro-5-methylphenylboronic acid pinacol ester distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 2,4-Dichloro-5-methylphenylboronic acid pinacol ester (CAS 2121512-39-6), a certified reference material (molecular formula C13H17BCl2O2, MW 286.99 g/mol) for analytical method development and quality control.
Structurally, 2,4-Dichloro-5-methylphenylboronic acid pinacol ester (C13H17BCl2O2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.5, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 286.99 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 2,4-Dichloro-5-methylphenylboronic acid pinacol ester 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 | C13H17BCl2O2 |
| Molecular Weight | 286.99 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | Cl-containing |
Related Dichloro Standards
- 2-(2,3-Dichloro-4-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2121512-50-1)
- 2-(2,4-Dichloro-3-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2311855-00-0)
- 2-(2,6-Dichloro-4-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2121511-76-8)
- 2-(3,5-Dichloro-4-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 942069-73-0)
- 2,3-Dichloro-5-(difluoromethoxy)mandelic acid (CAS 1803714-71-7)
- 3,4-Dichloro-2-(difluoromethoxy)mandelic acid (CAS 1803714-73-9)
- 2,5-Dichloro-3-(difluoromethoxy)mandelic acid (CAS 1803806-58-7)
- 4,5-Dichloro-2-(difluoromethoxy)mandelic acid (CAS 1803832-53-2)
Recommended Standards
- 2-(Difluoromethyl)-3,6-dihydroxy-4-iodopyridine (CAS 1805050-62-7)
- 2-(Difluoromethyl)-3,4-dihydroxy-5-iodopyridine (CAS 1805050-71-8)
- 2-(Difluoromethyl)-3,5-dihydroxy-6-iodopyridine (CAS 1805050-78-5)
- 4-(Difluoromethyl)-3-iodopyridine-2,5-diol (CAS 1805283-36-6)
- 6-Chloro-N-isopropyl-2-(methylsulfinyl)pyrimidin-4-amine (CAS 1289386-63-5)
- 1-Fluoro-2-propoxybenzene (CAS 203115-91-7)
- (4-(3-Chlorophenyl)piperazin-1-yl)(4-((2-methylallyl)oxy)phenyl)methanone (CAS 915927-44-5)
- 3-(1-Aminopropan-2-yl)oxazolidin-2-one (CAS 1339573-57-7)
- 2-methyl-2-[4-(trifluoromethoxy)phenyl]propanenitrile (CAS 1260798-94-4)
- 2-Hydroxy-5-trifluoromethyl-nicotinonitrile (CAS 124432-69-5)
- 4-methyl-3,4-dihydro-2H-1,4-benzoxazine (CAS 77901-22-5)
- 2-(Dansylsulfonamido)ethyl-3-(hydrazinocarboxy)ethyl Disulfide (CAS 887354-22-5)
- [(3,4-Difluorophenyl)methyl]boronic acid (CAS 2246751-44-8)
- Semaglutide impurity 275 (CAS CATO-C4X-2226275)
Why CATO?
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