(9-Oxo-9H-fluoren-1-yl)boronic acid CAS 194470-10-5
| CAS No. | 194470-10-5 |
| Molecular Formula | C13H9BO3 |
| Molecular Weight | 224.02 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(9-Oxo-9H-fluoren-1-yl)boronic acid (CAS 194470-10-5), molecular formula C13H9BO3 and molecular weight 224.02 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (9-Oxo-9H-fluoren-1-yl)boronic acid (C13H9BO3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 9.5, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 224.02 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures (9-Oxo-9H-fluoren-1-yl)boronic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C13H9BO3 |
| Molecular Weight | 224.02 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; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2012 |
Recommended Standards
- Methyl 2,6-dichloro-5-fluoronicotinate (CAS 189281-66-1)
- 3-Amino-2,4-dichloro-6-fluorobenzoic acid (CAS 1951439-67-0)
- (2-(1,3-Dioxolan-2-yl)-4-methoxyphenyl)boronic acid (CAS 1704069-40-8)
- (2-Fluoro-6-(thiazol-2-yl)pyridin-3-yl)boronic acid (CAS 2225181-42-8)
- 4-Iodo-6,7-dimethoxyquinoline (CAS 1582788-20-2)
- 2-(4-Isopropylphenyl)-4,5-dimethyl-1,3-dioxolane (CAS 5458-32-2)
- Methyl 2-chloro-4-fluoro-6-methylbenzoate (CAS 1805226-50-9)
- Palbociclib Impurity 44 (CAS CATO-C4X-112544)
- 2-(2,3,4,6-Tetra-O-acetyl-β-D-galactopyranosyl)thiopseudourea Hydrobromide (CAS 51224-13-6)
- N-(2-Morpholinoethyl)-4-nitroaniline (CAS 77755-81-8)
- 2-(4-(Difluoromethyl)-6-hydroxy-2-(trifluoromethyl)pyridin-3-yl)acetic acid (CAS 1806982-09-1)
- BGT 226 (CAS 1245537-68-1)
- 4,6-Dichloro-N-methoxy-N-methyl-pyridine-3-carboxamide (CAS 1211522-24-5)
- Semaglutide Impurity 9 (CAS CATO-C4X-22269)
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 18665070610 / Nicole.chen@cato-chem.com