Methyl 4-chloro-2-hydroxy-5-(tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate CAS 1820813-94-2
| CAS No. | 1820813-94-2 |
| Molecular Formula | C14H18BClO5 |
| Molecular Weight | 312.55 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 312.55 g/mol gives Methyl 4-chloro-2-hydroxy-5-(tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies Methyl 4-chloro-2-hydroxy-5-(tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate (CAS 1820813-94-2), a certified reference material (molecular formula C14H18BClO5, MW 312.55 g/mol) for analytical method development and quality control.
Structurally, Methyl 4-chloro-2-hydroxy-5-(tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate (C14H18BClO5) 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 5.5, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 312.55 g/mol, it falls into the moderately-high-molecular-weight range. 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.
As a certified reference material (CRM), Methyl 4-chloro-2-hydroxy-5-(tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate 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.
Physical & Chemical Properties
| Molecular Formula | C14H18BClO5 |
| Molecular Weight | 312.55 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | Cl-containing |
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