(11bS)-4-Hydroxy-2,6-bis(2,4,6-trimethylphenyl)-4-oxide-dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin CAS 878111-18-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 878111-18-3 |
| Molecular Formula | C38H33O4P |
| Molecular Weight | 584.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(11bS)-4-Hydroxy-2,6-bis(2,4,6-trimethylphenyl)-4-oxide-dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin (CAS 878111-18-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C38H33O4P. Molecular weight: 584.64 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C38H33O4P |
| Molecular Weight | 584.64 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 22.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
Related bS Standards
- (11bR)-4-Hydroxy-2,6-bis(2,4,6-trimethylphenyl)-4-oxide-dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin (CAS 695162-87-9)
- 3-Hydroxy Midostaurin (CGP52421) (Mixture of Diastereomers) (CAS 179237-49-1)
- (11bR)-4-Hydroxy-2,6-bis(4-nitrophenyl)dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepine 4-oxide (CAS 695162-89-1)
- (11bS)-4-Hydroxy-2,6-bis(4-nitrophenyl)dinaphtho[2,1-d:1’,2’-f][1,3,2]dioxaphosphepine 4-Oxide (CAS 878111-16-1)
- 4-Hydroxy-3-methoxycinnamoyl Methyl Reserpate (Rescimetol) (CAS 35440-49-4)
- 5-Hydroxy-3-(4-methoxyphenyl)-4-oxo-4H-chromen-7-yl 6-O-(6-deoxyhexopyranosyl)hexopyranoside (CAS 53840-60-1)
- 4-Hydroxy-2,6-dimesityl-8,9,10,11,12,13,14,15-octahydrodinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepine 4-oxide (CAS 2043341-47-3)
- o-Hydroxy Atorvastatin-d (CAS 214217-88-6)
Recommended Standards
- 2,2-Dimethyl-4,30-dioxo-3,8,11,14,17,20,23,26,32-nonaoxa-5,29-diazatetratriacontan-34-oic acid (CAS 600141-83-1)
- (2R,3S,4S,5R,6S)-2-(Hydroxymethyl)-6-(phenylthio)tetrahydro-2H-pyran-3,4,5-triyl tribenzoate (CAS 139608-11-0)
- g-Strophanthin (CAS 630-60-4)
- 2-(((4-(Dimethylamino)phenyl)amino)methylene)malononitrile (CAS 91559-93-2)
- 1,3-Dimethylimidazolium Dimethyl Phosphate (CAS 654058-04-5)
- N-[4-(Morpholin-4-yl)phenyl]-2-(piperidin-1-yl)acetamide (CAS 439111-75-8)
- (4-Bromo-2-fluorobenzyl)(3-chlorophenyl)sulfane (CAS 1405940-53-5)
- ethyl 5-amino-1-[3-(trifluoromethyl)phenyl]-1H-pyrazole-4-carboxylate (CAS 110821-29-9)
- 1-pyridin-3-ylpyrrolidine-2,5-dione (CAS 82993-35-9)
- Tirzepatide Impurity 16 (CAS CATO-C4X-324016)
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