2-(4-Chloro-2-fluoro-5-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane CAS 1126320-27-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1126320-27-1 |
| Molecular Formula | C13H17BClFO2 |
| Molecular Weight | 270.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(4-Chloro-2-fluoro-5-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1126320-27-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C13H17BClFO2. Molecular weight: 270.54 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
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.) | 1989 |
| Halogen Content | F/Cl-containing |
Related Chloro Standards
- 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-3-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1638847-73-0)
- 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
- Ethyl 2-bromo-5-chloro-1,3-thiazole-4-carboxylate (CAS 425392-44-5)
- 2,2,2-Trichloro-1-(4-(1-hydroxypropyl)-1H-pyrrol-2-yl)ethan-1-one (CAS 1135283-05-4)
- 5-Bromo-3-methylpyridine-2-sulfonyl chloride (CAS 944799-36-4)
- Acronycine (CAS 7008-42-6)
- 4-(Difluoromethyl)-3-fluoro-5-methylpyridine (CAS 1805304-43-1)
- 5-Chloro-2,3-dihydro-1H-pyrrolo[3,2-b]pyridine (CAS 1239691-81-6)
- N-Nitroso Evocalcet Formate (CAS CATO-C4X-248544)
- Valaciclovir Hydrochloride Dihydrate (CAS 502421-45-6)
- (2S,4S)-1-((benzyloxy)carbonyl)-4-cyanopyrrolidine-2-carboxylic acid (CAS 1155262-87-5)
- Tirzepatide Impurity 48 (CAS CATO-C4X-324048)
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