O,S-Diisobutyl methylphosphonothioate CAS 100860-55-7
| CAS No. | 100860-55-7 |
| Molecular Formula | C9H21O2PS |
| Molecular Weight | 224.30 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 O,S-Diisobutyl methylphosphonothioate.
CATO supplies O,S-Diisobutyl methylphosphonothioate (CAS 100860-55-7), a certified reference material (molecular formula C9H21O2PS, MW 224.30 g/mol) for analytical method development and quality control.
Based on its molecular formula C9H21O2PS, O,S-Diisobutyl methylphosphonothioate contains a sulfone group, organophosphorus functionality, a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 224.30 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.
As a certified reference material (CRM), O,S-Diisobutyl methylphosphonothioate 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 | C9H21O2PS |
| Molecular Weight | 224.30 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | -0.5 |
| CAS Registry Year (est.) | 1985 |
| Sulfur Atoms | 1 |
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