9,9-Diphenyl-9H-fluorene-3-boronic Acid Pinacol Ester CAS 1644466-71-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1644466-71-6 |
| Molecular Formula | C31H29BO2 |
| Molecular Weight | 444.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
9,9-Diphenyl-9H-fluorene-3-boronic Acid Pinacol Ester (CAS 1644466-71-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C31H29BO2. Molecular weight: 444.37 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C31H29BO2 |
| Molecular Weight | 444.37 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 17.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
Related Diphenyl Standards
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Recommended Standards
- 2-(4-Bromophenyl)-4,6-bis(3,5-dimethylphenyl)-1,3,5-triazine (CAS 1616841-73-6)
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- N-(2-{[2,5-bis(2,2,2-trifluoroethoxy)phenyl]formamido}ethyl)-2,2-dimethylpropanamide (CAS 338404-46-9)
- 2-(3-Nitrophenyl)acetaldehyde (CAS 66146-33-6)
- (R)-2-amino-3-(3-fluorophenyl)-2-methylpropanoic acid (CAS 1270184-80-9)
- (R)-tert-Butyl (1-(3-chlorophenyl)-2-hydroxyethyl)carbamate (CAS 926291-64-7)
- N~3~-[(1E)-phenylmethylene]pyridine-2,3-diamine (CAS 848142-03-0)
- 6-Isopropyl-N-(prop-2-yn-1-yl)pyrimidin-4-amine (CAS 1248620-62-3)
- 2-(8-Methoxy-2-oxoquinolin-1(2H)-yl)acetic acid (CAS 1225751-49-4)
- Semaglutide impurity 83 (CAS CATO-C4X-222683)
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