(S)-(-)-Methyl p-tolyl sulfoxide 5056-07-5 CAS 5056-07-5
| CAS No. | 5056-07-5 |
| Molecular Formula | C8H16OS |
| Molecular Weight | 160.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including (S)-(-)-Methyl p-tolyl sulfoxide 5056-07-5.
CATO supplies (S)-(-)-Methyl p-tolyl sulfoxide 5056-07-5 (CAS 5056-07-5), a certified reference material (molecular formula C8H16OS, MW 160.28 g/mol) for analytical method development and quality control.
Based on its molecular formula C8H16OS, (S)-(-)-Methyl p-tolyl sulfoxide 5056-07-5 contains sulfur-containing functionality, a hydroxyl group, an ether linkage; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 160.28 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry.
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 (S)-(-)-Methyl p-tolyl sulfoxide 5056-07-5 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 | C8H16OS |
| Molecular Weight | 160.28 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.) | 1958 |
| Sulfur Atoms | 1 |
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Why CATO?
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