2-Chloro-4-(methylthio)butanoic acid CAS 163401-68-1
| CAS No. | 163401-68-1 |
| Molecular Formula | C5H9ClOS |
| Molecular Weight | 152.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 152.64 g/mol gives 2-Chloro-4-(methylthio)butanoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-Chloro-4-(methylthio)butanoic acid (CAS 163401-68-1), molecular formula C5H9ClOS and molecular weight 152.64 g/mol, is a CATO reference standard with documented purity and traceability.
2-Chloro-4-(methylthio)butanoic acid (C5H9ClOS) contains sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 2-Chloro-4-(methylthio)butanoic acid 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 | C5H9ClOS |
| Molecular Weight | 152.64 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 2003 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
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