(S)-2-Amino-3-methyl-3-(sulfothio)butanoic acid CAS 55631-63-5
| CAS No. | 55631-63-5 |
| Molecular Formula | C5H11NO5S2 |
| Molecular Weight | 229.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C5H11NO5S2, (S)-2-Amino-3-methyl-3-(sulfothio)butanoic acid contains a carbohydrate-derived structure, an amide group, a sulfone group; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 229.27 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.
CATO supplies (S)-2-Amino-3-methyl-3-(sulfothio)butanoic acid (CAS 55631-63-5), a certified reference material (molecular formula C5H11NO5S2, MW 229.27 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.
CATO manufactures (S)-2-Amino-3-methyl-3-(sulfothio)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 | C5H11NO5S2 |
| Molecular Weight | 229.27 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1972 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
Related S Standards
- (R)-4-Amino-3-(naphthalen-1-yl)butanoicacid (CAS 108827-19-6)
- (r)-2-Amino-2-(4-phenoxyphenyl)ethan-1-ol (CAS 1212833-12-9)
- (s)-2-Amino-2-(2-phenoxyphenyl)ethan-1-ol (CAS 1213046-89-9)
- (r)-2-Amino-2-(3-phenoxyphenyl)ethan-1-ol (CAS 1213204-68-2)
- (s)-2-Amino-2-(4-phenoxyphenyl)ethan-1-ol (CAS 1213508-40-7)
- (S)-2-Amino-4-(naphthalen-2-yl)butanoic acid (CAS 1256629-13-6)
- (R)-3-amino-2-(naphthalen-2-ylmethyl)propanoic acid (CAS 1260596-22-2)
- (R)-3-Amino-2-(naphthalen-1-ylmethyl)propanoic acid (CAS 1260606-13-0)
Recommended Standards
- (S)-2-(tert-butylamino)-1-(2,4-difluorophenyl)ethan-1-ol (CAS 782482-50-2)
- (S)-2-Amino-4-(naphthalen-1-yl)butanoic acid (CAS 948048-71-3)
- (S)-2-(Boc-amino)-4-methyl-4-pentenoic acid (CAS 87325-47-1)
- (S)-3-((tert-Butoxycarbonyl)amino)hex-5-enoic acid (CAS 270263-03-1)
- 1-(3-Chloro-4-(pentyloxy)phenyl)ethanol (CAS 1443340-49-5)
- 3-Cyclopropoxypyridine-2,4-dicarbonitrile (CAS 1243447-74-6)
- (Pyr3)-Amyloid β-Protein (3-40) trifluoroacetate salt (CAS 161818-04-8)
- 1-Bromo-2,3,5,6-tetrafluoro-4-(trifluoromethoxy)benzene (CAS 1417567-08-8)
- Upadacitinib Impurity 48 (CAS 1869118-25-1)
- (2S,4S)-4-(Acetylthio)-2-[(dimethylamino)carbonyl]-1-pyrrolidinecarboxylic Acid 4-Nitrobenzyl Ester-d6 (CAS 1246816-04-5)
- 5-Cyclopropyl-1-methyl-1H-1,2,3-triazole-4-carboxamide (CAS 2171835-67-7)
- Methyl 4-Fluorotetrahydropyran-4-carboxylate (CAS 1150617-60-9)
- Methyl 2-(5-chlorothiophen-2-yl)propanoate (CAS 1513645-52-7)
- Neuropeptide K, porcine (CAS 106441-70-7)
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