(R)-2-Mercaptobutanoic acid CAS 82031-70-7
| CAS No. | 82031-70-7 |
| Molecular Formula | C4H8O2S |
| Molecular Weight | 120.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
(R)-2-Mercaptobutanoic acid (CAS 82031-70-7), molecular formula C4H8O2S and molecular weight 120.17 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of (R)-2-Mercaptobutanoic acid (C4H8O2S) is characterized by a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development.
As a certified reference material (CRM), (R)-2-Mercaptobutanoic 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 | C4H8O2S |
| Molecular Weight | 120.17 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| 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.) | 1980 |
| Sulfur Atoms | 1 |
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