2-(5-Chloro-2-fluoro-3-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane CAS 1638847-73-0
| CAS No. | 1638847-73-0 |
| Molecular Formula | C13H17BClFO2 |
| Molecular Weight | 270.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 2-(5-Chloro-2-fluoro-3-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
2-(5-Chloro-2-fluoro-3-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1638847-73-0), molecular formula C13H17BClFO2 and molecular weight 270.54 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C13H17BClFO2, 2-(5-Chloro-2-fluoro-3-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 270.54 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 manufactures 2-(5-Chloro-2-fluoro-3-methylphenyl)-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 | C13H17BClFO2 |
| Molecular Weight | 270.54 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; 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 | F/Cl-containing |
Related Chloro Standards
- 2-(4-Chloro-2-fluoro-5-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1126320-27-1)
- 2-(3-Chloro-4-fluoro-5-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1402238-26-9)
- 2-(4-Chloro-2-fluoro-3-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1454914-16-9)
- 2-(5-Chloro-2-fluoro-4-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1638847-76-3)
- 2-(2-Chloro-5-fluoro-4-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1638847-79-6)
- 2-(4-Chloro-3-fluoro-2-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1680200-54-7)
- 2-Chloro-6-fluoro-3-methylphenylboronic acid pinacol ester (CAS 1688672-06-1)
- 2-(4-Chloro-5-fluoro-2-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1885096-92-3)
Recommended Standards
- 2,2,2-Trichloro-1-(4-(1-hydroxypropyl)-1H-pyrrol-2-yl)ethan-1-one (CAS 1135283-05-4)
- Ethyl 2-bromo-5-chloro-1,3-thiazole-4-carboxylate (CAS 425392-44-5)
- 5-Bromo-3-methylpyridine-2-sulfonyl chloride (CAS 944799-36-4)
- 1,3-Di-tert-butyl-2-(tert-butylamino)-1,3-diaza-2,4-disilacyclotetrane (CAS 302912-46-5)
- Methyl 4-methyl-2-(phenethylamino)pyrimidine-5-carboxylate (CAS 1158256-08-6)
- 3-Hydroxy-6-methylpicolinic acid (CAS 14162-88-0)
- 2-Benzylpyrrolidine-2-carboxylic acid (CAS 72518-40-2)
- (Z)-4-(1H-Indol-2-yl)but-3-en-2-one (CAS 123217-72-1)
- 4-(Azetidin-3-yl)-1-methylpiperazin-2-one hydrochloride (CAS 1451391-79-9)
- 5-Bromo-N-(naphtho[2,1-d]thiazol-2-yl)thiophene-2-carboxamide (CAS 325725-68-6)
- Potassium 3,4-dihydroxybenzoate (CAS 91753-30-9)
- N-ethyl-5-methoxybenzo[d]isoxazol-3-amine (CAS 1344704-23-9)
- 2,3-Dihydro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole-1-carboxylic Acid tert-Butyl Ester (CAS 837392-67-3)
- Semaglutide impurity 247 (CAS CATO-C4X-2226247)
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