(11bS)-2,6-Bis(3,5-dimethylphenyl)-4-hydroxydinaphtho[2,1-d:1’,2’-f][1,3,2]dioxaphosphepine 4-Oxide CAS 1170736-59-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1170736-59-0 |
| Molecular Formula | C36H29O4P |
| Molecular Weight | 556.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(11bS)-2,6-Bis(3,5-dimethylphenyl)-4-hydroxydinaphtho[2,1-d:1’,2’-f][1,3,2]dioxaphosphepine 4-Oxide (CAS 1170736-59-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C36H29O4P. Molecular weight: 556.59 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C36H29O4P |
| Molecular Weight | 556.59 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.) | 1989 |
Recommended Standards
- Cefluprenam (CAS 116853-25-9)
- (11bR)-2,6-Bis(3,5-dimethylphenyl)-4-hydroxydinaphtho[2,1-d:1’,2’-f][1,3,2]dioxaphosphepine 4-Oxide (CAS 861909-53-7)
- 1-(2-(4-Bromo-2-fluorophenoxy)ethyl)-4-((tert-butyldiphenylsilyl)oxy)piperidine (CAS 1704082-78-9)
- 10-(4-(Diethylamino)phenyl)-3,4,9,10-tetrahydrobenzo[b]cyclopenta[e][1,4]diazepin-1(2H)-one (CAS 1374509-51-9)
- 2,4,6,8-Tetraphenyl-9-bispidone (CAS 37123-09-4)
- Finerenone Impurity 163 (CAS CATO-C4X-2880163)
- N-(5-Amino-2-methoxyphenyl)-2-(3-methylphenoxy)-butanamide (CAS 1020055-11-1)
- di-tert-Butyl ((2S,2'S)-(thiocarbonylbis(azanediyl))bis(propane-1,2-diyl))dicarbamate (CAS 922495-32-7)
- 5-(tert-Butyl) 2-methyl 6,7-dihydrothiazolo[4,5-c]pyridine-2,5(4H)-dicarboxylate (CAS 1695329-31-7)
- Semaglutide Impurity 158 (x TFA Salt) (CAS CATO-C4X-2226158)
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