(9,9-Diphenyl-9H-fluoren-3-yl)boronic acid CAS 1635401-03-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1635401-03-4 |
| Molecular Formula | C25H19BO2 |
| Molecular Weight | 362.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies (9,9-Diphenyl-9H-fluoren-3-yl)boronic acid (CAS 1635401-03-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C25H19BO2. Molecular weight: 362.23 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C25H19BO2 |
| Molecular Weight | 362.23 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 16.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
Related Diphenyl Standards
- 9,9-Diphenyl-9H-fluorene-4-boronic Acid (CAS 1224976-40-2)
- B-(9,9-Diphenyl-9H-fluoren-2-yl)-boronic Acid (CAS 400607-31-0)
- Diphenyl (4-methyl-1,3-phenylene)dicarbamate (CAS 4223-24-9)
- 9-Benzyl-6,8-diphenyl-9H-purine (CAS 916974-31-7)
- 4-(1,2-diphenyl-2-(p-tolyl)vinyl)aniline (CAS 919789-95-0)
- 3-(1,5-Diphenyl-1H-pyrazol-4-yl)-4-ethyl-5-(methylsulfanyl)-4H-1,2,4-triazole (CAS 956964-51-5)
- 6,9-Diphenyl-9H-carbazol-3-yl-3-boronic acid (CAS 1133058-06-6)
- 2,4-Diphenyl-6-(3,4,5-trifluorophenyl)-1,3,5-triazine (CAS 1808158-43-1)
Recommended Standards
- NS 1619 (CAS 153587-01-0)
- tert-butyl N-{2-[(3-bromo-5-fluorophenyl)methyl]-3-hydroxypropyl}carbamate (CAS 1698527-10-4)
- Methyl 4-((4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethynyl)benzoate (CAS 1448637-05-5)
- 8,9-Difluoro-3,4-dihydrobenzo[b]oxepin-5(2H)-one (CAS 1341995-45-6)
- 4-Bromo-3-(trifluoromethyl)phenylacetic Acid (CAS 914637-17-5)
- N1-(furan-2-ylmethyl)propane-1,3-diamine (CAS 21878-50-2)
- Indobufen Impurity 63 (CAS CATO-C4X-179263)
- (R)-2-(3,5-Difluorophenyl)pyrrolidine (CAS 1241683-70-4)
- (S)-2-((2R,4S,6S)-2,6-dimethyltetrahydro-2H-pyran-4-yl)-2-((methoxycarbonyl)amino)acetic acid (CAS 1615710-77-4)
- Tirzepatide Impurity 13 (CAS CATO-C4X-324013)
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