2-(9H-Fluoren-9-ylidene)-1-phenylethanone CAS 5653-33-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 5653-33-8 |
| Molecular Formula | C21H14O |
| Molecular Weight | 282.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 2-(9H-Fluoren-9-ylidene)-1-phenylethanone (CAS 5653-33-8) pharmaceutical standards reference standard. Molecular formula: C21H14O. Molecular weight: 282.34 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C21H14O |
| Molecular Weight | 282.34 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 | 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.) | 1958 |
Related H Standards
- (9H-Fluoren-9-yl)methyl (2-aminoethyl)carbamate (CAS 166410-32-8)
- (9H-fluoren-9-yl)methyl 1,2-dimethylhydrazinecarboxylate (CAS 858353-45-4)
- 2-(2-(9H-Fluoren-9-yl)phenyl)acetonitrile (CAS 121820-25-5)
- (9H-Fluoren-9-yl)methyl 2-oxoethylcarbamate (CAS 156939-62-7)
- 4-((9H-Fluoren-2-yl)amino)-4-oxobutanoic acid (CAS 59935-47-6)
- 4-((9H-Fluoren-9-ylidene)methyl)-N-methylaniline (CAS 21888-92-6)
- 4-((9H-Fluoren-9-yl)thio)butanamide (CAS 374722-01-7)
- 1-((9H-Fluoren-9-yl)methyl)piperidin-4-ol (CAS 88754-46-5)
Recommended Standards
- 2-(4-Cyclohexyl-2,3-dioxopiperazin-1-yl)butanoic acid (CAS 951464-86-1)
- 2-(Methylthio)-5-(phenylsulfonyl)pyrimidin-4(3H)-one (CAS 478247-40-4)
- 2-(2-Acetamido-4-(thiophen-2-yl)thiazol-5-yl)acetic acid (CAS 927999-29-9)
- Rel-(1S,2S)-1-amino-1,2,3,4-tetrahydronaphthalene-2-carboxylic acid hydrochloride (CAS 888323-69-1)
- (R)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-2-(4-hydroxycyclohexyl)acetic acid (CAS 2349460-93-9)
- N-(2-((4-(4-Methoxyphenyl)piperazin-1-yl)sulfonyl)ethyl)cyclopentanecarboxamide (CAS 897619-11-3)
- 2-ethynyl-1-fluoro-4-nitro-benzene (CAS 343866-99-9)
- 4-Bromo-1-methyl-2,3-dihydro-1H-pyrrolo[2,3-b]pyridine (CAS 1824145-82-5)
- PD-85639 (CAS 149838-21-1)
- Acetyl-Exenatide trifluoroacetate salt (CAS 305815-28-5)
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