2-(5-Chloro-2-methoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane CAS 635305-45-2
| CAS No. | 635305-45-2 |
| Molecular Formula | C13H18BClO3 |
| Molecular Weight | 268.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2-(5-Chloro-2-methoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 635305-45-2), molecular formula C13H18BClO3 and molecular weight 268.54 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C13H18BClO3, 2-(5-Chloro-2-methoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 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 268.54 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.
CATO manufactures 2-(5-Chloro-2-methoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C13H18BClO3 |
| Molecular Weight | 268.54 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.) | 1985 |
| Halogen Content | Cl-containing |
Related Chloro Standards
- 3-Chloro-4-(hydroxymethyl)phenylboronic Acid Pinacol Ester (CAS 1051316-34-7)
- 2-(2-Chloro-6-methoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1061367-22-3)
- 3-Chloro-5-(hydroxymethyl)phenylboronic Acid Pinacol Ester (CAS 1112210-59-9)
- 2-Chloro-3-methoxyphenylboronic Acid Pinacol Ester (CAS 1151564-03-2)
- 2-(3-Chloro-4-methoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1165936-01-5)
- 2-(2-Chloro-5-methoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1256781-73-3)
- 2-Chloro-6-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenol (CAS 1294518-25-4)
- 2-Chloro-3-(hydroxymethyl)phenylboronic Acid Pinacol Ester (CAS 1400755-07-8)
Recommended Standards
- 2-(4-Chloro-2-methoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 866141-76-6)
- 2-(5-Chloro-2-methoxyphenyl)-4,4,6-trimethyl-1,3,2-dioxaborinane (CAS 2096998-54-6)
- 2-(3-Chloro-5-methoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 929626-16-4)
- 3-Bromo-5-(2-chlorophenyl)pyridine (CAS 912934-76-0)
- 2-(2,4-Dichlorophenyl)-2-methyl-1,3-dithiolane 1,1,3,3-tetraoxide (CAS 443313-72-2)
- 3-Chlorocyclohexene (CAS 2441-97-6)
- 3-Bromo-5-nitrobenzoic Acid (CAS 6307-83-1)
- 1-(4-Chloro-2-nitrophenyl)piperazine hydrochloride (CAS 299425-71-1)
- 5-(1-Benzylpyrrolidin-2-yl)-2-methoxy-3-methylpyridine (CAS 1352534-33-8)
- Ethyl 3,5-dichloro-4-propoxybenzoate (CAS 40689-35-8)
- 2-Bromo-3,7,8-trichlorodibenzo-p-dioxin (CAS 109333-33-7)
- Rivastigmine USP Related Compound B (CAS 25081-93-0)
- Ethyl 2-(trifluoromethyl)piperazine-1-carboxylate (CAS 1123515-55-8)
- Insulin Glargine (CAS 160337-95-1)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com