Methyl 4-((4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethynyl)benzoate CAS 1448637-05-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1448637-05-5 |
| Molecular Formula | C22H23BO4 |
| Molecular Weight | 362.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl 4-((4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethynyl)benzoate (CAS 1448637-05-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C22H23BO4. Molecular weight: 362.23 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C22H23BO4 |
| Molecular Weight | 362.23 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
Related Methyl Standards
- 3-(2-Methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)quinazolin-4(3H)-one (CAS 1231892-59-3)
- 5-Benzyl-3-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)-1,2,4-oxadiazole (CAS 2377610-48-3)
- Ethyl 6-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenoxy)hexanoate (CAS 1339928-17-4)
- Tetramethyl 2,2'-(propane-1,3-diylbis(azanediyl))disuccinate (CAS 1032338-61-6)
- 2,2,6,6-Tetramethyl-4-(3-(triethoxysilyl)propoxy)piperidine (CAS 102089-34-9)
- 2-(2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl)isoindoline-1,3-dione (CAS 380430-66-0)
- 2-(3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl)isoindoline-1,3-dione (CAS 214360-75-5)
- Ethyl 4-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)piperazine-1-carboxylate (CAS 1073354-26-3)
Recommended Standards
- N-Methyl-2-(pyridin-3-yl)-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)quinazolin-4-amine (CAS 1417301-02-0)
- NS 1619 (CAS 153587-01-0)
- ((2R,3S,4R,5R)-3,4-Dihydroxy-5-(6-hydroxy-9H-purin-9-yl)tetrahydrofuran-2-yl)methyl methyl hydrogen phosphate (CAS 141673-59-8)
- Ethyl 3-(3-nitrobenzoyl)-5-(pyridin-2-yl)indolizine-1-carboxylate (CAS 853317-40-5)
- 3,5-Difluoro-2-methoxybenzenesulfonamide (CAS 1208076-83-8)
- 2-(3-Fluoro-phenyl)-thiazole-4-carboxylic acid ethyl ester (CAS 132089-37-3)
- Candesartan Cilexetil EP Impurity C (CAS 1185255-99-5)
- Methyl 2-(4-(3-chloro-2,2-dimethylpropanamido)phenoxy)benzoate (CAS 865660-49-7)
- N-(6-ethoxybenzo[d]thiazol-2-yl)-2,2,2-trifluoroacetamide (CAS 353773-92-9)
- Semaglutide impurity 89 (CAS CATO-C4X-222689)
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