Phenyl-[4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenoxy]-acetic acid methyl ester CAS 1029439-20-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1029439-20-0 |
| Molecular Formula | C21H25BO5 |
| Molecular Weight | 368.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Phenyl-[4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenoxy]-acetic acid methyl ester (CAS 1029439-20-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C21H25BO5. Molecular weight: 368.23 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C21H25BO5 |
| Molecular Weight | 368.23 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
Related Phenyl Standards
- Methyl 4-((4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenoxy)methyl)benzoate (CAS 1813552-97-4)
- N-(3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)morpholine-4-sulfonamide (CAS 2246696-15-9)
- N-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)morpholine-4-sulfonamide (CAS 914606-94-3)
- 4-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)-1-(4-trifluoromethoxybenzyl)-1H-pyrazole (CAS 1379615-57-2)
- 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1-(3-(trifluoromethoxy)benzyl)-1H-pyrazole (CAS 1604036-63-6)
- 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1-(2-(trifluoromethoxy)benzyl)-1H-pyrazole (CAS 1604036-79-4)
- 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-2-(triisopropylsilyl)thiazole (CAS 1175534-91-4)
- 2,3-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole (CAS 2377610-94-9)
Recommended Standards
- Torasemide Impurity 15 (CAS CATO-C4X-183615)
- Methyl 2-(benzyloxy)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate (CAS 1073355-16-4)
- tert-Butyl 6-bromo-3-(2-methoxy-2-oxoethyl)-1H-indole-1-carboxylate (CAS 2028307-91-5)
- 3-(2-Tert-butyl-5-methylphenoxy)-2-(cyclopropylamino)-2-methylpropanenitrile (CAS 1306548-98-0)
- Fmoc-Lys（Dabcly）-OH (CAS 146998-27-8)
- 1-Isopropyl-1,2,3,4-tetrahydroquinoline (CAS 21863-25-2)
- Methyl 4-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)nicotinate (CAS 2721344-28-9)
- 5-(Bromomethyl)-3,4'-bipyridine (CAS 1227601-95-7)
- N-(2-(tert-Butoxy)-5-hydroxyphenyl)methanesulfonamide (CAS 1243279-56-2)
- ([D2]Gly4)-Cholecystokinin Octapeptide (sulfated) ammonium salt (CAS 1926163-74-7)
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 13829788188 / jacky.chen@cato-chem.com