4-methyl-1,2-dithiolane-4-carboxylic acid CAS 208243-72-5
| CAS No. | 208243-72-5 |
| Molecular Formula | C5H8O2S2 |
| Molecular Weight | 164.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 4-methyl-1,2-dithiolane-4-carboxylic 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.
4-methyl-1,2-dithiolane-4-carboxylic acid (CAS 208243-72-5), molecular formula C5H8O2S2 and molecular weight 164.25 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 4-methyl-1,2-dithiolane-4-carboxylic acid (C5H8O2S2) 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.
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 | C5H8O2S2 |
| Molecular Weight | 164.25 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) | 2.0 |
| CAS Registry Year (est.) | 2016 |
| Sulfur Atoms | 2 |
Related methyl Standards
- Methyl 1,2-dithiolane-4-carboxylate (CAS 7389-17-5)
- 4-Methyl-1,2-dithiolane-4-carboxamide (CAS 208243-73-6)
- 2-Ethyl-1,3-dithiolane-2-carbaldehyde (CAS 33406-20-1)
- (1,2-Dithiolane-4,4-diyl)dimethanol (CAS 1121-96-6)
- Ethyl 1,3-dithiolane-2-carboxylate (CAS 20461-99-8)
- 1,3-Dithiolane-2-carboxylic acid (CAS 5616-65-9)
- 2-Phenyl-1,3-dithiolane (CAS 5616-55-7)
- 1,3-Dithiolane-2-carbaldehyde (CAS 89281-64-1)
Recommended Standards
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