(S)-3-((tert-Butoxycarbonyl)amino)-4-hydroxybutanoic acid CAS 83345-44-2
| CAS No. | 83345-44-2 |
| Molecular Formula | C9H17NO5 |
| Molecular Weight | 219.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including (S)-3-((tert-Butoxycarbonyl)amino)-4-hydroxybutanoic acid.
CATO supplies (S)-3-((tert-Butoxycarbonyl)amino)-4-hydroxybutanoic acid (CAS 83345-44-2), a certified reference material (molecular formula C9H17NO5, MW 219.23 g/mol) for analytical method development and quality control.
The molecular framework of (S)-3-((tert-Butoxycarbonyl)amino)-4-hydroxybutanoic acid (C9H17NO5) is characterized by an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 | C9H17NO5 |
| Molecular Weight | 219.23 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1980 |
| Nitrogen Atoms | 1 |
Recommended Standards
- (S)-3-((tert-Butoxycarbonyl)amino)-2-methoxypropanoic acid (CAS 412352-66-0)
- (S)-3-(2,4-Dihydroxy-3,3-dimethylbutanamido)propanoic acid (CAS 37138-77-5)
- (R)-4-((tert-Butoxycarbonyl)amino)-2-hydroxybutanoicacid (CAS 496918-28-6)
- (S)-4-(Boc-amino)-2-hydroxybutanoic Acid (CAS 207305-60-0)
- Ethyl 2-(4-hydroxypiperidin-1-yl)thiazole-4-carboxylate (CAS 429667-45-8)
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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