9,9'-Spirobi[fluoren]-4-yldiphenylphosphine oxide CAS 1314243-72-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1314243-72-5 |
| Molecular Formula | C37H25OP |
| Molecular Weight | 516.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 9,9'-Spirobi[fluoren]-4-yldiphenylphosphine oxide (CAS 1314243-72-5) pharmaceutical standards reference standard. Molecular formula: C37H25OP. Molecular weight: 516.57 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C37H25OP |
| Molecular Weight | 516.57 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 | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 25.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
Related Spirobi Standards
- 9,9'-Spirobi[fluoren]-2-yldiphenylphosphine oxide (CAS 1125547-88-7)
- 2-(9,9'-Spirobi[fluoren]-2-yl)-4,6-diphenyl-1,3,5-triazine (CAS 1207176-84-8)
- 9,9'-Spirobi[fluorene]-2,2'-diyldiboronic acid pinacol ester (CAS 676168-63-1)
- 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)
- 2-(9,9''-Spirobi[fluoren]-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 884336-44-1)
- 3-Phenyl-9,9'-spirobi[fluoren]-2-amine (CAS 2214221-84-6)
- 9,9'-Spirobi[fluorene]-2',7-diyldiboronic acid (CAS 1222007-94-4)
Recommended Standards
- Diphenyl(spiro[fluorene-9,9'-xanthen]-2-yl)phosphine (CAS 1346002-85-4)
- 15-epi-Travoprost Epoxide (CAS CATO-C4X-192524)
- 1-{(2R)-1-[(11bR)-8,9,10,11,12,13,14,15-Octahydrodinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-yloxy]propan-2-yl}-3-phenylurea (CAS 1858223-90-1)
- Methyl 4-acetamido-3-hydroxybenzoate (CAS 39267-53-3)
- (R)-3-hydroxytetrahydrofuran-3-carboxylic acid (CAS 111833-89-7)
- 4-(5-Fluoro-2-hydrazinylpyrimidin-4-yl)morpholine (CAS 118121-89-4)
- 3-[(4-Chlorobenzenesulfonyl)methyl]-4-nitro-N-[(1E)-{[2-oxo-2-(4-phenylpiperazin-1-yl)ethoxy]amino}methylidene]benzamide (CAS 478262-07-6)
- 4-[5-(Propan-2-yl)-1,2,4-oxadiazol-3-yl]piperidine (CAS 913321-45-6)
- 1-(Bromomethyl)-1-(methylsulfonyl)cyclopropane (CAS 2091872-40-9)
- Tirzepatide Impurity 23 X TFA Salt (CAS CATO-C4X-324023)
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