2-(5,6-Difluoro-4-(methoxymethoxy)naphthalen-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane CAS 2621935-28-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2621935-28-0 |
| Molecular Formula | C18H21BF2O4 |
| Molecular Weight | 350.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(5,6-Difluoro-4-(methoxymethoxy)naphthalen-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2621935-28-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H21BF2O4. Molecular weight: 350.16 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H21BF2O4 |
| Molecular Weight | 350.16 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2001 |
| Halogen Content | F-containing |
Related Difluoro Standards
- 2-(7,8-Difluoro-3-(methoxymethoxy)naphthalen-1-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2621935-35-9)
- Ethyl 2,2-difluoro-4-iodo-4-(trimethylsilyl)butanoate (CAS 127224-11-7)
- 4-(2,3-Difluoro-4-methoxyphenyl)-4'-propyl-1,1'-bi(cyclohexane) (CAS 431947-34-1)
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- 6,7-Difluoro-1-methyl-3-(m-tolylsulfonyl)quinolin-4(1H)-one (CAS 1326894-33-0)
- Ethyl 5,7-difluoro-3-iodo-1H-indole-2-carboxylate (CAS 1334499-90-9)
- 2,2-Difluoro-2-(4-fluorophenoxy)-N-[3-(trifluoromethyl)phenyl]acetamide (CAS 338792-39-5)
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Recommended Standards
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- 2-Bromo-1-[2-nitro-3-(phenylmethoxy)phenyl]ethanone (CAS 224044-61-5)
- 5α-CHOLESTAN-2β-OL (CAS 604-17-1)
- 2-(Aminomethyl)-4-(difluoromethyl)-6-fluoro-3-iodopyridine (CAS 1807096-92-9)
- Tiotropium Bromide EP Impurity C (CAS 136310-95-7)
- 5-(2-(Bromomethyl)phenyl)-1-methyl-3-(trifluoromethyl)-1H-pyrazole (CAS 941716-87-6)
- n-(9-((2r,3r,4s,5r)-3,4-Dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-9h-purin-6-yl)-4-methoxybenzamide (CAS 56883-05-7)
- N1,N1-Dimethyl-1,3-benzenediamine (CAS 2836-04-6)
- Antiarrhythmic peptide (cattle atrium) (CAS 81771-37-1)
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