(R)-2-((tert-butoxycarbonyl)amino)-4-(4-chlorophenyl)butanoic acid CAS 157683-98-2
| CAS No. | 157683-98-2 |
| Molecular Formula | C15H20ClNO4 |
| Molecular Weight | 313.78 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, (R)-2-((tert-butoxycarbonyl)amino)-4-(4-chlorophenyl)butanoic acid (C15H20ClNO4) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 313.78 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO supplies (R)-2-((tert-butoxycarbonyl)amino)-4-(4-chlorophenyl)butanoic acid (CAS 157683-98-2), a certified reference material (molecular formula C15H20ClNO4, MW 313.78 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)-2-((tert-butoxycarbonyl)amino)-4-(4-chlorophenyl)butanoic 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 | C15H20ClNO4 |
| Molecular Weight | 313.78 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2002 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Recommended Standards
- 1-(1-benzoyl-1,2,3,4-tetrahydroquinolin-6-yl)-2-chloroethan-1-one (CAS 1461707-22-1)
- (S)-2-((tert-Butoxycarbonyl)amino)-4-(4-chlorophenyl)butanoic acid (CAS 157683-99-3)
- N-(3-(1H-Pyrrolo[2,3-b]pyridin-1-yl)propyl)-4-chlorobenzamide (CAS 1448141-78-3)
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