(S)-2-((tert-Butoxycarbonyl)amino)-4-(2-hydroxyphenyl)butanoic acid CAS 1260596-32-4
| CAS No. | 1260596-32-4 |
| Molecular Formula | C15H21NO5 |
| Molecular Weight | 295.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies (S)-2-((tert-Butoxycarbonyl)amino)-4-(2-hydroxyphenyl)butanoic acid (CAS 1260596-32-4), a certified reference material (molecular formula C15H21NO5, MW 295.33 g/mol) for analytical method development and quality control.
Structurally, (S)-2-((tert-Butoxycarbonyl)amino)-4-(2-hydroxyphenyl)butanoic acid (C15H21NO5) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. 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 295.33 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C15H21NO5 |
| Molecular Weight | 295.33 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 1 |
Recommended Standards
- (S)-3-((tert-butoxycarbonyl)amino)-2-(4-hydroxybenzyl)propanoic acid (CAS 1260590-07-5)
- (R)-3-((tert-butoxycarbonyl)amino)-2-(4-hydroxybenzyl)propanoic acid (CAS 1260607-94-0)
- (S)-3-((tert-butoxycarbonyl)amino)-2-(3-hydroxybenzyl)propanoic acid (CAS 1260589-45-4)
- (R)-3-((tert-butoxycarbonyl)amino)-2-(3-hydroxybenzyl)propanoic acid (CAS 1260611-35-5)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com