(R)-Benzyl 2-((tert-butoxycarbonyl)amino)-3-(4-((trimethylsilyl)ethynyl)phenyl)propanoate CAS 1263376-65-3
| CAS No. | 1263376-65-3 |
| Molecular Formula | C26H33NO4Si |
| Molecular Weight | 451.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
(R)-Benzyl 2-((tert-butoxycarbonyl)amino)-3-(4-((trimethylsilyl)ethynyl)phenyl)propanoate (CAS 1263376-65-3), molecular formula C26H33NO4Si and molecular weight 451.63 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C26H33NO4Si, (R)-Benzyl 2-((tert-butoxycarbonyl)amino)-3-(4-((trimethylsilyl)ethynyl)phenyl)propanoate contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 451.63 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO manufactures (R)-Benzyl 2-((tert-butoxycarbonyl)amino)-3-(4-((trimethylsilyl)ethynyl)phenyl)propanoate 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 | C26H33NO4Si |
| Molecular Weight | 451.63 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 1 |
Recommended Standards
- Lercanidipine Impurity 54 (CAS CATO-C4X-136454)
- tert-Butyl (S)-2-(((tert-butyldiphenylsilyl)oxy)methyl)-5-oxo-2,5-dihydro-1H-pyrrole-1-carboxylate (CAS 138871-58-6)
- UV-384 (CAS 127519-17-9)
- N-(3,5-Dimethylphenyl)-2-((5-((naphthalen-1-ylmethyl)thio)-1,3,4-thiadiazol-2-yl)thio)acetamide (CAS 476484-09-0)
- 1-Bromo-4-butoxy-2,5-difluorobenzene (CAS 1235548-06-7)
- 4,8-Bis(5-(dodecylthio)thiophen-2-yl)benzo[1,2-b:4,5-b']dithiophene (CAS 1620482-25-8)
- Cyclopropane-1,1-dicarbaldehyde (CAS 136476-41-0)
- tert-Butyl 4-(2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenoxy)acetyl)piperazine-1-carboxylate (CAS 1401697-54-8)
- 2-(Aminomethyl)-6-(difluoromethyl)-3-(trifluoromethyl)pyridine-5-acetonitrile (CAS 1361811-22-4)
- 1-bromo-2,2-difluorobutane (CAS 428-61-5)
- 3,4,5-Trimethoxy-N-(4-methoxyphenyl)benzamide (CAS 742-15-4)
- 1-(3,5-dimethylphenyl)propan-2-amine hydrochloride (CAS 77083-30-8)
- 2-(Allyloxy)-3-methylbenzonitrile (CAS 1692441-87-4)
- Acetyl-Tau Peptide (244-274) (Repeat 1 Domain) trifluoroacetate salt (CAS 2022956-56-3)
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