2-(3-Chloro-4-methoxymethoxyphenyl)-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane CAS 1623766-65-3
| CAS No. | 1623766-65-3 |
| Molecular Formula | C14H20BClO4 |
| Molecular Weight | 298.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 2-(3-Chloro-4-methoxymethoxyphenyl)-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane (C14H20BClO4) 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 298.57 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.
2-(3-Chloro-4-methoxymethoxyphenyl)-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane (CAS 1623766-65-3), molecular formula C14H20BClO4 and molecular weight 298.57 g/mol, is a CATO reference standard with documented purity and traceability.
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.
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.
Physical & Chemical Properties
| Molecular Formula | C14H20BClO4 |
| Molecular Weight | 298.57 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.) | 1993 |
| Halogen Content | Cl-containing |
Related Chloro Standards
- 2-(2-Chloro-3,4-dimethoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1225209-74-4)
- 2-(3-Chloro-5-(methoxymethoxy)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1256360-44-7)
- 3-(3-Chloro-pyrazin-2-yloxy)-cyclobutylamine hydrochloride (CAS 1349184-52-6)
- 2-(2-Chloro-6-(methoxymethoxy)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1599432-42-4)
- 2-(4-Chloro-3-methoxymethoxyphenyl)-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane (CAS 1623766-76-6)
- (3-Chloro-4-(2-(4-methylpiperazin-1-yl)ethoxy)phenyl)boronic acid (CAS 1704074-20-3)
- (3-Chloro-4-iodophenyl)(ethyl)sulfane (CAS 779329-49-6)
- 2-(4-Chloro-2-(methoxymethoxy)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2377474-13-8)
Recommended Standards
- 1,5-Dimethyl-2,4-bis[2-(trimethylsilyl)ethynyl]benzene (CAS 1379822-08-8)
- 2-(5-Chloro-2,4-dimethoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2121512-49-8)
- 5-Bromo-2-(3-chlorophenoxy)aniline (CAS 946786-71-6)
- 4-(4-Bromo-2-chlorophenyl)-6-methylpyrimidin-2-amine (CAS 913322-58-4)
- Ethyl 2-[(5-fluoropyridin-2-yl)amino]acetate (CAS 1305814-06-5)
- N-[(3,4-Dimethoxyphenyl)methyl]cyclobutanamine (CAS 1250397-85-3)
- N1-Methyl-N2-((3-(thiophen-2-ylsulfonyl)oxazolidin-2-yl)methyl)oxalamide (CAS 874804-89-4)
- 3-Ethyl-2-fluoro-4-iodo-5-methylpyridine (CAS 1449786-43-9)
- 3-(Ethylamino)-4-methylbenzonitrile (CAS 1249998-40-0)
- 2-Hydroxy-4-oxo-4-phenyl-2-butenoic acid (CAS 103344-70-3)
- Methyl 2-methyl-2-(piperazin-1-yl)propanoate (CAS 1182949-28-5)
- 2-Bromo-4-(methylsulfonyl)aniline (CAS 57946-90-4)
- Ethyl (1S,2S)-2-[[(S)-1-phenylethyl]amino]cyclopentanecarboxylate Hydrochloride (CAS 359586-65-5)
- GnRH Associated Peptide (GAP) (1-13), human (CAS 100111-07-7)
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