3-mercapto-2-(mercaptomethyl)propanoic acid CAS 7634-96-0
| CAS No. | 7634-96-0 |
| Molecular Formula | C4H8O2S2 |
| Molecular Weight | 152.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-mercapto-2-(mercaptomethyl)propanoic acid (CAS 7634-96-0) is a high-purity analytical reference standard with the molecular formula C4H8O2S2 and a molecular weight of 152.24 g/mol.
Owing to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, 3-mercapto-2-(mercaptomethyl)propanoic acid is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 152.24 g/mol — guide the selection of appropriate sample preparation and analytical techniques.
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 3-mercapto-2-(mercaptomethyl)propanoic 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 | C4H8O2S2 |
| Molecular Weight | 152.24 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.) | 1959 |
| Sulfur Atoms | 2 |
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- 2-(2-Oxo-2-phenylethyl)cyclohexane-1,3-dione (CAS 14073-26-8)
- Semaglutide impurity 107 (CAS CATO-C4X-2226107)
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