[(2Z)-2-[(3R,4S,5R)-3,5-Bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-4-[3-[[(1,1-dimethylethyl)dimethylsilyl]oxy]propoxy]-2-methylenecyclohexylidene]ethyl]diphenylphosphine oxide CAS 1101133-78-1
| CAS No. | 1101133-78-1 |
| Molecular Formula | C42H71O5PSi3 |
| Molecular Weight | 771.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 771.24 g/mol gives [(2Z)-2-[(3R,4S,5R)-3,5-Bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-4-[3-[[(1,1-dimethylethyl)dimethylsilyl]oxy]propoxy]-2-methylenecyclohexylidene]ethyl]diphenylphosphine oxide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
[(2Z)-2-[(3R,4S,5R)-3,5-Bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-4-[3-[[(1,1-dimethylethyl)dimethylsilyl]oxy]propoxy]-2-methylenecyclohexylidene]ethyl]diphenylphosphine oxide (CAS 1101133-78-1), molecular formula C42H71O5PSi3 and molecular weight 771.24 g/mol, is a CATO reference standard with documented purity and traceability.
[(2Z)-2-[(3R,4S,5R)-3,5-Bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-4-[3-[[(1,1-dimethylethyl)dimethylsilyl]oxy]propoxy]-2-methylenecyclohexylidene]ethyl]diphenylphosphine oxide (C42H71O5PSi3) contains a phosphate ester group, a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures [(2Z)-2-[(3R,4S,5R)-3,5-Bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-4-[3-[[(1,1-dimethylethyl)dimethylsilyl]oxy]propoxy]-2-methylenecyclohexylidene]ethyl]diphenylphosphine oxide under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C42H71O5PSi3 |
| Molecular Weight | 771.24 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
Recommended Standards
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