2-(5-Chloro-2-methoxy-4-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane CAS 2088368-59-4
| CAS No. | 2088368-59-4 |
| Molecular Formula | C14H20BClO3 |
| Molecular Weight | 282.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
CATO supplies 2-(5-Chloro-2-methoxy-4-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2088368-59-4), a certified reference material (molecular formula C14H20BClO3, MW 282.57 g/mol) for analytical method development and quality control.
Structurally, 2-(5-Chloro-2-methoxy-4-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (C14H20BClO3) 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 282.57 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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 | C14H20BClO3 |
| Molecular Weight | 282.57 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, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| 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) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | Cl-containing |
Related Chloro Standards
- 2-Chloro-5-methoxymethylphenylboronic acid pinacol ester (CAS 1079402-22-4)
- 2-Chloro-N,N-dimethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-3-amine (CAS 1201845-13-7)
- 2-(4-Chloro-2-methoxy-6-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1207961-49-6)
- 2-(3-Chloro-5-ethoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1218789-40-2)
- 2-(4-Chloro-3-ethoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1310956-28-5)
- 5-Chloro-2-ethoxyphenylboronic acid pinacol ester (CAS 1689512-53-5)
- (3-Chloro-4-((4-ethylpiperazin-1-yl)methyl)phenyl)boronic acid (CAS 1704074-25-8)
- (4-Chloro-3-((4-ethylpiperazin-1-yl)methyl)phenyl)boronic acid (CAS 1704074-48-5)
Recommended Standards
- 2-(3-Chloro-2-methoxy-4-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2121513-15-1)
- 2,3,5,6-Tetramethyl-1,4-bis(trimethylsilyl)-1,4-dihydropyrazine (CAS 78279-92-2)
- 2-(3-Chloro-2-ethoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2121514-37-0)
- 2-Chloro-4-ethoxyphenylboronic acid pinacol ester (CAS 2121513-55-9)
- 2,4-Dibromo-1-(difluoromethoxy)benzene (CAS 1417567-95-3)
- tert-Butyl 3-(((4-chlorophenyl)thio)methyl)piperidine-1-carboxylate (CAS 1289388-17-5)
- 1-(1-Ethyl-1H-1,2,4-triazol-5-yl)-1-propanamine (CAS 1060817-32-4)
- PNU 288034 (CAS 383199-88-0)
- 1-Phenylcyclopentanamine (CAS 17380-74-4)
- O-Acetylquinidine (CAS 56652-53-0)
- n-(2-(Methylsulfonamido)ethyl)benzamide (CAS 161093-11-4)
- 8-Nitro-1,2,3,4-tetrahydrodibenzo[b,d]furan (CAS 13680-12-1)
- n-(3,4-Dimethylphenyl)-2-((5-imino-4,5-dihydro-1,3,4-thiadiazol-2-yl)thio)acetamide (CAS 435337-86-3)
- Acetyl Hexapeptide-38 (CAS 1400634-44-7)
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