(S)-2-((tert-Butoxycarbonyl)amino)-5-(methylthio)pentanoic acid CAS 1242340-22-2
| CAS No. | 1242340-22-2 |
| Molecular Formula | C11H21NO4S |
| Molecular Weight | 263.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures (S)-2-((tert-Butoxycarbonyl)amino)-5-(methylthio)pentanoic 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.
(S)-2-((tert-Butoxycarbonyl)amino)-5-(methylthio)pentanoic acid (CAS 1242340-22-2) is a high-purity analytical reference standard with the molecular formula C11H21NO4S and a molecular weight of 263.35 g/mol.
Based on its molecular formula C11H21NO4S, (S)-2-((tert-Butoxycarbonyl)amino)-5-(methylthio)pentanoic acid contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 263.35 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.
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.
Physical & Chemical Properties
| Molecular Formula | C11H21NO4S |
| Molecular Weight | 263.35 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.) | 1990 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Recommended Standards
- (S)-3-(Boc-amino)-5-(methylthio)pentanoic Acid (CAS 1217811-51-2)
- Tert-butyl ((1,1-dioxidotetrahydro-2H-thiopyran-4-yl)methyl)carbamate (CAS 1257230-79-7)
- 3-Benzyloxy-a-(N-butyryl-d3)-aminopropionitrile (CAS 1216615-94-9)
- n-(Tert-butoxycarbonyl)-s-propylcysteine (CAS 1290053-35-8)
- tert-butyl N-{[1-(piperidin-3-yl)-1H-1,2,3-triazol-4-yl]methyl}carbamate (CAS 1909326-93-7)
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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