4-Methanesulfonyl-butyric acid ethyl ester CAS 5342-81-4
| CAS No. | 5342-81-4 |
| Molecular Formula | C7H14O4S |
| Molecular Weight | 194.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The molecular framework of 4-Methanesulfonyl-butyric acid ethyl ester (C7H14O4S) 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.
4-Methanesulfonyl-butyric acid ethyl ester (CAS 5342-81-4), molecular formula C7H14O4S and molecular weight 194.25 g/mol, is a CATO reference standard with documented purity and traceability.
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), 4-Methanesulfonyl-butyric acid ethyl ester 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 | C7H14O4S |
| Molecular Weight | 194.25 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1958 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- 4-Hydroxy-4-(2-hydroxyethyl)tetrahydro-2H-thiopyran 1,1-dioxide (CAS 2090778-05-3)
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- 1,1'-(2,5-Dimethyl-1-(p-tolyl)-1H-pyrrole-3,4-diyl)diethanone (CAS 112086-81-4)
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- {1-[(dimethyl-1,3-oxazol-2-yl)methyl]piperidin-4-yl}methanamine (CAS 1249949-25-4)
- 2,4-Difluoro-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)aniline (CAS 1415568-78-3)
- 3-Amino-4-phenylbutanoic acid hydrochloride (CAS 460039-42-3)
- 1-(4-Amino-3-(trifluoromethyl)phenyl)-N,N-dimethylpiperidin-4-amine (CAS 1154664-52-4)
- N-(2-(Ethylthio)ethyl)cyclohexanamine hydrochloride (CAS 1609406-53-2)
- Peptide YY (13-36) (canine, mouse, porcine, rat) (CAS 86895-09-2)
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