(4-Bromo-3-methoxyphenyl)(methyl)sulfane CAS 67868-91-1
| CAS No. | 67868-91-1 |
| Molecular Formula | C8H9BrOS |
| Molecular Weight | 233.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
(4-Bromo-3-methoxyphenyl)(methyl)sulfane (CAS 67868-91-1), molecular formula C8H9BrOS and molecular weight 233.13 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to sulfur-containing functionality, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system, (4-Bromo-3-methoxyphenyl)(methyl)sulfane is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 233.13 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).
As a certified reference material (CRM), (4-Bromo-3-methoxyphenyl)(methyl)sulfane 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 | C8H9BrOS |
| Molecular Weight | 233.13 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.) | 1976 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
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- 1-(4-(Azetidin-3-yloxy)phenyl)ethanone hydrochloride (CAS 1956379-17-1)
- 1-[(4-Methylphenyl)methyl]-4-(methylsulfanyl)-2-oxo-6-phenyl-1,2-dihydropyridine-3-carbonitrile (CAS 478042-81-8)
- N-(2,2-Diphenylcyclopropyl)benzamide (CAS 4941-62-2)
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