(R,E)-2-((tert-Butoxycarbonyl)amino)-5-phenylpent-4-enoic acid CAS 261380-19-2
| CAS No. | 261380-19-2 |
| Molecular Formula | C16H21NO4 |
| Molecular Weight | 291.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C16H21NO4, (R,E)-2-((tert-Butoxycarbonyl)amino)-5-phenylpent-4-enoic acid contains a flavonoid 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 291.34 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO supplies (R,E)-2-((tert-Butoxycarbonyl)amino)-5-phenylpent-4-enoic acid (CAS 261380-19-2), a certified reference material (molecular formula C16H21NO4, MW 291.34 g/mol) for analytical method development and quality control.
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 (R,E)-2-((tert-Butoxycarbonyl)amino)-5-phenylpent-4-enoic acid 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 | C16H21NO4 |
| Molecular Weight | 291.34 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
Recommended Standards
- (R)-N-(2-Acetyl-5,8-dimethoxy-1,2,3,4-tetrahydronaphthalen-2-yl)acetamide (CAS 86264-61-1)
- (R,E)-2-((tert-Butoxycarbonyl)amino)-5-phenylpent-4-enoic acid (CAS 919529-76-3)
- (R)-2-[[(Benzyloxy)carbonyl]amino]-2-cyclohexylacetic Acid (CAS 69901-85-5)
- (S)-(-)-Verapamilic Acid (CAS 36622-24-9)
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- 2,7-Dichloro-1H-benzo[d]imidazole (CAS 15965-56-7)
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- Methyl 5-cyano-2-oxo-5-phenylcyclohexanecarboxylate (CAS 38289-20-2)
- Tirzepatide Impurity 52 (CAS CATO-C4X-324052)
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