2-((tert-Butyldiphenylsilyl)oxy)-N-methoxy-N-methylacetamide CAS 154698-93-8
| CAS No. | 154698-93-8 |
| Molecular Formula | C20H27NO3Si |
| Molecular Weight | 357.52 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-((tert-Butyldiphenylsilyl)oxy)-N-methoxy-N-methylacetamide meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
CATO supplies 2-((tert-Butyldiphenylsilyl)oxy)-N-methoxy-N-methylacetamide (CAS 154698-93-8), a certified reference material (molecular formula C20H27NO3Si, MW 357.52 g/mol) for analytical method development and quality control.
Structurally, 2-((tert-Butyldiphenylsilyl)oxy)-N-methoxy-N-methylacetamide (C20H27NO3Si) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 357.52 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.
Physical & Chemical Properties
| Molecular Formula | C20H27NO3Si |
| Molecular Weight | 357.52 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2001 |
| Nitrogen Atoms | 1 |
Related tert Standards
- 4-((tert-Butyldiphenylsilyl)oxy)-2,2-dimethylbutan-1-ol (CAS 439693-30-8)
- (3-(((Tert-butyldiphenylsilyl)oxy)methyl)oxetan-3-yl)methanol (CAS 1360106-23-5)
- 3-((tert-Butyldiphenylsilyl)oxy)-2,2-dimethylpropanoic acid (CAS 480450-04-2)
- 2-(((Tert-butyldiphenylsilyl)oxy)methyl)-1,3-dioxolan-4-one (CAS 145397-22-4)
- 4-((tert-Butyldiphenylsilyl)oxy)hex-5-en-1-ol (CAS 113423-54-4)
- 4-((tert-Butyldiphenylsilyl)oxy)benzaldehyde (CAS 116748-05-1)
- 4-((Tert-butyldiphenylsilyl)oxy)cyclohexan-1-one (CAS 130745-59-4)
- 1-(((tert-Butyldiphenylsilyl)oxy)methyl)cyclobutane-1-carbaldehyde (CAS 956520-84-6)
Recommended Standards
- 8-((1-Butyl-2,5-dioxopyrrolidin-3-yl)thio)octyl acetate (CAS 62164-05-0)
- 1-Methyl-4-{5-[(4-phenylpiperazin-1-yl)methyl]-1,3-thiazol-2-yl}piperazine (CAS 478079-09-3)
- 2-Phenyl-N-(tetrahydro-2H-pyran-4-yl)-N-(2-(thiophen-2-yl)ethyl)butanamide (CAS 1787915-84-7)
- 2-(2-(Dioctylamino)-2-oxoethoxy)acetic acid (CAS 135447-09-5)
- 3-Cyclopropoxy-2-ethylisonicotinamide (CAS 1243447-53-1)
- tert-Butyl 3-(2-ethynylphenyl)propanoate (CAS 2502187-84-8)
- 1-Bromo-2-fluoro-4-iodo-3-methoxybenzene (CAS 1824571-99-4)
- Sildenafil impurity 264 (CAS 2725318-34-1)
- 5-Methoxy-2-phenylbenzonitrile (CAS 934691-48-2)
- (4-Trifluoromethylbenzenesulfonyl)acetic acid (CAS 156497-87-9)
- 1,10-Phenanthroline-4,7-dicarbaldehyde (CAS 130897-87-9)
- 2-(But-3-en-1-yl)-2-formylcyclohexyl acetate (CAS 143288-06-6)
- 3-(2,3-Dihydro-1,4-benzodioxine-6-sulfinyl)propanoic acid (CAS 1334012-17-7)
- Peptide Impurity 06 (CAS CATO-CPTD788806)
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