1,1'-(9,9'-Spirobi[fluorene]-2,2'-diyl)diethanone CAS 22824-83-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 22824-83-5 |
| Molecular Formula | C29H20O2 |
| Molecular Weight | 400.47 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1,1'-(9,9'-Spirobi[fluorene]-2,2'-diyl)diethanone (CAS 22824-83-5), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C29H20O2. Molecular weight: 400.47 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C29H20O2 |
| Molecular Weight | 400.47 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) | 20.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
Related Spirobi Standards
- 9,9'-Spirobi[fluorene]-2',7-diyldiboronic acid (CAS 1222007-94-4)
- 9,9'-Spirobi[fluorene]-2,7-diyldiboronic acid (CAS 1222537-26-9)
- 3-Phenyl-9,9'-spirobi[fluoren]-2-amine (CAS 2214221-84-6)
- 9,9'-Spirobi[fluorene]-3,3',6,6'-tetraamine (CAS 622011-41-0)
- 9,9'-Spirobi[fluoren]-3-ylboronic acid (CAS 1421789-04-9)
- 9,9’-Spirobi[fluorene]-4-boronic Acid (CAS 1421789-05-0)
- 2-(9,9'-Spirobi[fluoren]-4-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1161009-89-7)
- 2-(9,9'-Spirobi[fluoren]-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1346007-05-3)
Recommended Standards
- (E)-1-(2-(Benzyloxy)-4,5-dimethylphenyl)-3-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)prop-2-en-1-one (CAS 96755-18-9)
- 2-[bis(tert-butoxycarbonyl)amino]pyrido[2,3-d]pyrimidine-7-carboxylic acid (CAS 2306262-27-9)
- ((S)-5-(tert-butoxy)-2-((tert-butoxycarbonyl)amino)-5-oxopentanoyl)-L-proline (CAS 917926-33-1)
- 4,6-Dibromo-2-(3-chlorophenyl)benzo[d]oxazol-5-amine (CAS 637302-89-7)
- 5-(4-(Azepan-1-ylsulfonyl)phenyl)-4-ethyl-4H-1,2,4-triazole-3-thiol (CAS 917561-72-9)
- Rtitrexed Impurity 23 (CAS CATO-C4X-138623)
- Mometasone Furoate EP Impurity P (CAS CATO-C4X-170416)
- 2-(7-Chloro-2-methylpyrazolo[1,5-a]pyrimidin-5-yl)propan-2-ol (CAS 2387596-80-5)
- N,N-Diethyl-2-iodoacetamide (CAS 78258-15-8)
- Semaglutide Impurity 150 xTFA (CAS CATO-C4X-2226150)
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