1-Iodo-2-(methylsulfinyl)benzene CAS 71545-38-5
| CAS No. | 71545-38-5 |
| Molecular Formula | C7H7IOS |
| Molecular Weight | 266.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-Iodo-2-(methylsulfinyl)benzene (CAS 71545-38-5), molecular formula C7H7IOS and molecular weight 266.10 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 1-Iodo-2-(methylsulfinyl)benzene (C7H7IOS) contains sulfur-containing functionality, a hydroxyl group, an ether linkage, iodine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 266.10 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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), 1-Iodo-2-(methylsulfinyl)benzene 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 | C7H7IOS |
| Molecular Weight | 266.10 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Halogen Content | I-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
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- N-Cyclopropyl-2-[[2-(4-Fluorophenyl)-8-Methyl-4-Quinazolinyl]Thio]-Acetamide (CAS 606132-87-0)
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