O-Methyl Phenylphosphonochloridothioate CAS 20147-96-0
| CAS No. | 20147-96-0 |
| Molecular Formula | C7H8ClOPS |
| Molecular Weight | 206.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), O-Methyl Phenylphosphonochloridothioate 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.
O-Methyl Phenylphosphonochloridothioate (CAS 20147-96-0), molecular formula C7H8ClOPS and molecular weight 206.63 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to sulfur-containing functionality, organophosphorus functionality, a hydroxyl group, an ether linkage, chlorine substitution, O-Methyl Phenylphosphonochloridothioate is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 206.63 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 | C7H8ClOPS |
| Molecular Weight | 206.63 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 3.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
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Why CATO?
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