(R)-4-Hydroxy-2,6-bis(2,4,6-tri-tert-butylphenyl)dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepine 4-oxide CAS 1821241-72-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1821241-72-8 |
| Molecular Formula | C56H69O4P |
| Molecular Weight | 837.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(R)-4-Hydroxy-2,6-bis(2,4,6-tri-tert-butylphenyl)dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepine 4-oxide (CAS 1821241-72-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C56H69O4P. Molecular weight: 837.12 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C56H69O4P |
| Molecular Weight | 837.12 g/mol |
| 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.) | 1995 |
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- 4,6-Dimethyl-3-(2-methylbenzenesulfonyl)-2-(methylsulfanyl)pyridine (CAS 306978-53-0)
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