5-(4-Chlorophenoxy)benzo[c][1,2]oxaborol-1(3H)-ol CAS 947163-76-0
| CAS No. | 947163-76-0 |
| Molecular Formula | C13H10BClO3 |
| Molecular Weight | 260.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies 5-(4-Chlorophenoxy)benzo[c][1,2]oxaborol-1(3H)-ol (CAS 947163-76-0), a certified reference material (molecular formula C13H10BClO3, MW 260.48 g/mol) for analytical method development and quality control.
Based on its molecular formula C13H10BClO3, 5-(4-Chlorophenoxy)benzo[c][1,2]oxaborol-1(3H)-ol contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 260.48 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
As a certified reference material (CRM), 5-(4-Chlorophenoxy)benzo[c][1,2]oxaborol-1(3H)-ol 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 | C13H10BClO3 |
| Molecular Weight | 260.48 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, 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; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
Related Chlorophenoxy Standards
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- 2-(4-Chlorophenoxy)-4-methyl-6,7-dihydro-5H-cyclopenta[d]pyrimidine (CAS 343374-31-2)
- 1-(4-CHLOROPHENOXY)-3,3-DIMETHYL-1-CHLORO-2-BUTANE-ONE [CHLORO ETHER KETONE] (CAS 57000-78-9)
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Recommended Standards
- 3-Bromopyrazolo[1,5-a]pyrimidine-2-carbonyl chloride (CAS 861224-59-1)
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- 7-Bromo-2-chloropyrido[2,3-b]pyrazin-3(4H)-one (CAS 1958026-43-1)
- 6-Bromo-4-chloropyrido[2,3-d]pyrimidin-2(1H)-one (CAS 2733093-13-3)
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- Diazoxide impurity 9 (CAS CATO-C4X-19529)
- (E)-4-Cyclopropylbut-3-en-2-one (CAS 105891-18-7)
- 2-Oxo-2,3-dihydro-1,3-benzoxazole-6-sulfonamide (CAS 22876-18-2)
- Methyl 2-chloro-5-isopropylthiazole-4-carboxylate (CAS 81569-27-9)
- (2E)-1-(2,4-Dichlorophenyl)-3-(3,4-dimethoxyphenyl)prop-2-en-1-one (CAS 925703-41-9)
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