Benzyl (S)-4-bromo-2-((tert-butoxycarbonyl)amino)butanoate CAS 95656-97-6
| CAS No. | 95656-97-6 |
| Molecular Formula | C16H22BrNO4 |
| Molecular Weight | 372.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, bromine substitution, Benzyl (S)-4-bromo-2-((tert-butoxycarbonyl)amino)butanoate is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 372.25 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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 Benzyl (S)-4-bromo-2-((tert-butoxycarbonyl)amino)butanoate (CAS 95656-97-6), a certified reference material (molecular formula C16H22BrNO4, MW 372.25 g/mol) for analytical method development and quality control.
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.
As a certified reference material (CRM), Benzyl (S)-4-bromo-2-((tert-butoxycarbonyl)amino)butanoate 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.
Physical & Chemical Properties
| Molecular Formula | C16H22BrNO4 |
| Molecular Weight | 372.25 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.) | 1984 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
Recommended Standards
- Benzyl (S)-3-(Boc-amino)-4-bromobutanoate (CAS 840525-40-8)
- Boc-Aminooxy-PEG3-bromide (CAS 918132-15-7)
- 4-((3,3,4,4,5,5,6,6,6-Nonafluorohexyl)thio)phenol (CAS 892155-14-5)
- DI-TERT-BUTYL 2-BROMOPHENYLIMINODICARBONATE (CAS 880384-47-4)
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