9-(4-Nitrobenzylidene)-9H-fluorene CAS 6954-71-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 6954-71-8 |
| Molecular Formula | C20H13NO2 |
| Molecular Weight | 299.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
9-(4-Nitrobenzylidene)-9H-fluorene (CAS 6954-71-8) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C20H13NO2. Molecular weight: 299.32 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C20H13NO2 |
| Molecular Weight | 299.32 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 1 |
Related Nitrobenzylidene Standards
- 9-(3-Nitrobenzylidene)-9H-fluorene (CAS 4421-51-6)
- (E)-2-((4-nitrobenzylidene)amino)isoindoline-1,3-dione (CAS 32387-08-9)
- (Z)-4-(2-nitrobenzylidene)-2-phenyloxazol-5(4h)-one (CAS 66949-10-8)
- (Z)-4-(3-Nitrobenzylidene)-2-phenyloxazol-5(4H)-one (CAS 66949-11-9)
- (Z)-4-(4-nitrobenzylidene)-2-phenyloxazol-5(4h)-one (CAS 57427-80-2)
- (Z)-4-(4-Nitrobenzylidene)-3-phenylisoxazol-5(4H)-one (CAS 61588-01-0)
- 3-((2-Nitrobenzylidene)amino)quinazolin-4(3H)-one (CAS 88404-50-6)
- 3-((4-Nitrobenzylidene)amino)quinazolin-4(3H)-one (CAS 62176-69-6)
Recommended Standards
- 9,10-Anthracenedione, 1-(phenylamino)- (CAS 2944-28-7)
- 6,7-Dimethoxy-N-((5-methylfuran-2-yl)methyl)quinazolin-4-amine (CAS 477860-00-7)
- Acetic 2-((4-(benzyloxy)phenyl)amino)acetic anhydride (CAS 24451-08-9)
- rel-(2R,6S)-4-(6-Chloropyrimidin-4-yl)-2,6-dimethylmorpholine (CAS 1601278-62-9)
- (R)-But-3-yn-2-amine (CAS 54139-78-5)
- Methyl 1-methyl-1,2,3,6-tetrahydropyridine-4-carboxylate (CAS 59097-06-2)
- Methyl 3-amino-4-cyano-5-(piperidin-1-yl)thiophene-2-carboxylate (CAS 499771-09-4)
- 2-Isobutyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoic Acid (CAS 890839-13-1)
- 1-[(3,5-dimethylisoxazol-4-yl)methyl]piperazine dihydrochloride (CAS 333992-86-2)
- D-Tyr1-Tirzepatide (CAS CATO-CPTD788928)
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