6-Bromo-3,4-dihydro-2H-1-benzopyran-4-thiol CAS 1861827-71-5
| CAS No. | 1861827-71-5 |
| Molecular Formula | C9H9BrOS |
| Molecular Weight | 245.14 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.
CATO supplies 6-Bromo-3,4-dihydro-2H-1-benzopyran-4-thiol (CAS 1861827-71-5), a certified reference material (molecular formula C9H9BrOS, MW 245.14 g/mol) for analytical method development and quality control.
Based on its molecular formula C9H9BrOS, 6-Bromo-3,4-dihydro-2H-1-benzopyran-4-thiol contains sulfur-containing functionality, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 245.14 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 6-Bromo-3,4-dihydro-2H-1-benzopyran-4-thiol 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 | C9H9BrOS |
| Molecular Weight | 245.14 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
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