| CAS No. | 352530-37-1 |
| Molecular Formula | C7H7BrO2SZn |
| Molecular Weight | 300.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 300.51 g/mol gives 5-Ethoxycarbonyl-2-thienylzinc bromide solution 0.5 M in THF distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5-Ethoxycarbonyl-2-thienylzinc bromide solution 0.5 M in THF (CAS 352530-37-1), molecular formula C7H7BrO2SZn and molecular weight 300.51 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a salt form, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system, 5-Ethoxycarbonyl-2-thienylzinc bromide solution 0.5 M in THF is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 300.51 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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), 5-Ethoxycarbonyl-2-thienylzinc bromide solution 0.5 M in THF 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.
| Molecular Formula | C7H7BrO2SZn |
| Molecular Weight | 300.51 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |