(3β)-3-(tert-Butyldimethylsilyl)oxy-chol-5-en-24-oic Acid Methyl Ester CAS 114011-35-7
| CAS No. | 114011-35-7 |
| Molecular Formula | C31H54O3Si |
| Molecular Weight | 502.84 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 502.84 g/mol gives (3β)-3-(tert-Butyldimethylsilyl)oxy-chol-5-en-24-oic Acid Methyl Ester distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies (3β)-3-(tert-Butyldimethylsilyl)oxy-chol-5-en-24-oic Acid Methyl Ester (CAS 114011-35-7), a certified reference material (molecular formula C31H54O3Si, MW 502.84 g/mol) for analytical method development and quality control.
Structurally, (3β)-3-(tert-Butyldimethylsilyl)oxy-chol-5-en-24-oic Acid Methyl Ester (C31H54O3Si) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 502.84 g/mol, it falls into the moderately-high-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures (3β)-3-(tert-Butyldimethylsilyl)oxy-chol-5-en-24-oic Acid Methyl Ester 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 | C31H54O3Si |
| Molecular Weight | 502.84 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
Related tert Standards
- (3β)-3-[(tert-Butyldimethylsilyl)oxy]-chola-5,7-dien-24-oic Acid Methyl Ester (CAS 146177-13-1)
- 1-(2-((tert-Butyldimethylsilyl)oxy)-1-(4-chloro-3-fluorophenyl)ethyl)-4-(2-(methylthio)pyrimidin-4-yl)pyridin-2(1H)-one (CAS 1654781-16-4)
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- 3-((tert-Butyldimethylsilyl)oxy)-3-cyclohexyl-1-(2-iodophenyl)propan-1-one (CAS 1402839-08-0)
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