(S)-2,2'-Dihydroxy-1,1'-binaphthalene-3,3'-diboronic acid pinacol ester CAS 1638840-73-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1638840-73-9 |
| Molecular Formula | C32H36B2O6 |
| Molecular Weight | 538.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(S)-2,2'-Dihydroxy-1,1'-binaphthalene-3,3'-diboronic acid pinacol ester (CAS 1638840-73-9) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C32H36B2O6. Molecular weight: 538.25 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C32H36B2O6 |
| Molecular Weight | 538.25 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
Related S Standards
- (10-(2,5-Dihydroxy-3,4-dimethylphenyl)decyl)triphenylphosphonium (CAS 1147011-72-0)
- 1,4-Dihydroxy-5,8-bis((2-(methyl(phenyl)amino)ethyl)amino)anthracene-9,10-dione (CAS 70945-58-3)
- N-(3',6'-Dihydroxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthen]-5-yl)-2,3,4,5,6-pentafluorobenzamide (CAS 209540-56-7)
- 8-(3-(3',6'-DIhydroxy-3-oxo-3h-spiro[isobenzofuran-1,9'-xanthen]-5-yl)thioureido)octanoic acid (CAS 171263-01-7)
- (4,6-Dihydroxy-5-(3-(triethoxysilyl)propyl)-1,3-phenylene)bis(phenylmethanone) (CAS 166255-23-8)
- 24,25-Dihydroxy Vitamin D3 3-Hemisuccinate (CAS 76763-28-5)
- 3-(2,4-Dihydroxy-5-(3-(4-hydroxy-2-methoxyphenyl)-1-(4-hydroxyphenyl)-propyl)phenyl)-1-(4-hydroxyphenyl)propan-1-one (CAS 400603-95-4)
- 2-((3,4-Dihydroxy-2-(phenylselanyl)butyl)amino)-9-((2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-1H-purin-6(9H)-one (CAS 666718-15-6)
Recommended Standards
- Ambroxol Impurity 95 (CAS CATO-C4X-108595)
- N-(3-(3,6-dibromo-9H-carbazol-9-yl)-2-hydroxypropyl)benzenesulfonamide (CAS 331972-29-3)
- Ambroxol Sorbide Impurity 3(Ambroxol Impurity 79) (CAS CATO-C4X-108579)
- 1-(2-Bromo-6-nitrophenyl)ethanamine (CAS 1391310-80-7)
- Methyl 2-chloro-3-(trifluoromethyl)benzoate (CAS 378231-19-7)
- 6-Fluorobenzo[c][1,2,5]oxadiazol-5-amine (CAS 504417-84-9)
- ({3-[bis(2-chloroethyl)amino]phenyl}amino)(oxo)acetic acid 98824-35-2 KST-1A9248 (CAS 98824-35-2)
- 2-Amino-4-(4-methylpiperazin-1-yl)butanamide (CAS 1310096-10-6)
- Chloro[1,1'-[thiobis(methylene)]bis[benzene]]gold (CAS 15927-27-2)
- Semaglutide Impurity 146 (CAS 2645421-68-5)
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