4-Chloro-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenol CAS 779331-28-1
| CAS No. | 779331-28-1 |
| Molecular Formula | C12H16BClO3 |
| Molecular Weight | 254.52 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 4-Chloro-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenol.
4-Chloro-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenol (CAS 779331-28-1) is a high-purity analytical reference standard with the molecular formula C12H16BClO3 and a molecular weight of 254.52 g/mol.
Based on its molecular formula C12H16BClO3, 4-Chloro-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenol 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 254.52 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
As a certified reference material (CRM), 4-Chloro-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenol 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 | C12H16BClO3 |
| Molecular Weight | 254.52 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.) | 1986 |
| Halogen Content | Cl-containing |
Related Chloro Standards
- 3-Chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenol (CAS 1029439-70-0)
- 3-Chloro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-amine (CAS 1032758-99-8)
- 2-Chloro-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-3-amine (CAS 1150561-74-2)
- 5-Chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-amine (CAS 1222522-38-4)
- 4-Chloro-2-methyl-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidine (CAS 1260148-41-1)
- 3-Chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-amine (CAS 1269440-75-6)
- 2-Chloro-4-methyl-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-pyrimidine (CAS 1310405-15-2)
- 4-Chloro-2-hydroxyphenylboronic Acid Pinacol Ester (CAS 1377503-12-2)
Recommended Standards
- 4,5,7-Trichloro-1,3-benzoxazole-2-thiol (CAS 98278-90-1)
- 4-Chloro-2-(4,4,6-trimethyl-1,3,2-dioxaborinan-2-yl)phenol (CAS 2096996-66-4)
- 3-Chloro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenol (CAS 960388-56-1)
- 4-Chloro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenol (CAS 948592-54-9)
- 1-[[3-Methyl-4-(tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]carbonyl]pyrrolidine (CAS 1386860-56-5)
- N-t-Butyl 2-(BOC-amino)propanamide (CAS 1400644-20-3)
- 3-(1,3-Dimethylpyrrolidin-3-yl)phenol (CAS 2093-29-0)
- 2-Butoxy-4,6-dimethylbenzaldehyde (CAS 1707563-77-6)
- 3-(sec-Butylamino)-1H-pyrazol-5(4H)-one (CAS 57338-45-1)
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- 6-Bromo-4-nitro-1H-pyrrolo[2,3-b]pyridine (CAS 1000340-70-4)
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