(11bR)-4-(1-Methylethoxy)dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin CAS 557089-90-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 557089-90-4 |
| Molecular Formula | C23H19O3P |
| Molecular Weight | 374.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order (11bR)-4-(1-Methylethoxy)dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin (CAS 557089-90-4) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C23H19O3P. Molecular weight: 374.37 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C23H19O3P |
| Molecular Weight | 374.37 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 |
| Degree of Unsaturation (DBE) | 14.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
Related bR Standards
- [2,6-Bis(1-methylethoxy)phenyl]dicyclohexylphosphine (CAS 1268824-69-6)
- 4-(1-Methylethoxy)dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin (CAS 720667-00-5)
- 2-(1-Methylethoxy)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-benzaldehyde (CAS 1356639-75-2)
- [[4-[[2-(1-Methylethoxy)ethoxy]methyl]phenoxy]methyl]oxirane-d5 (CAS 1215808-65-3)
- 2-(4-(1-Methylethoxy)phenyl)pyridine-5-carboxaldehyde (CAS 1213239-68-9)
- 2,6-Bis(1-methylethoxy)pyridine (CAS 1017577-23-9)
- 4-Methyl-3-(1-methylethoxy)benzoic acid (CAS 1014691-13-4)
- 3-(1-Methylethoxy)benzeneacetic acid (CAS 146031-94-9)
Recommended Standards
- (11aS)-(-)-10,11,12,13-Tetrahydrodiindeno[7,1-de:1',7'-fg][1,3,2]dioxaphosphocin-5-phenoxy (CAS 885701-71-3)
- 2-(2-Cyano-4-(thiazolo[5,4-d]pyrimidin-2-yl)phenoxy)benzoic acid (CAS 918880-58-7)
- (11aR)-10,11,12,13-Tetrahydro-5-phenoxy-diindeno[7,1-de:1',7'-fg][1,3,2]dioxaphosphocin (CAS 656233-53-3)
- 1-Cyclopropanecarbonyl-3-methylpiperazine (CAS 1240581-73-0)
- 4-Fluoro-2-methylpiperidine hydrochloride (CAS 1638768-09-8)
- Triamcinolone Acetonide EP Impurity C (CAS 161740-69-8)
- 2-Fluoro-N-methyl-5-nitrobenzenesulfonamide (CAS 1094853-29-8)
- 4-(4-Bromophenyl)-1-methyl-1h-pyrazol-5-amine (CAS 1354950-24-5)
- 2-((2-((2-Chloro-4-nitrophenyl)amino)ethyl)amino)ethan-1-ol (CAS 329922-40-9)
- Semaglutide impurity 34 (CAS CATO-C4X-222634)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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