(E)-1-(2,5-dichlorothiophen-3-yl)-3-(dimethylamino)prop-2-en-1-one CAS 166196-79-8
| CAS No. | 166196-79-8 |
| Molecular Formula | C9H9Cl2NOS |
| Molecular Weight | 250.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of (E)-1-(2,5-dichlorothiophen-3-yl)-3-(dimethylamino)prop-2-en-1-one is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
(E)-1-(2,5-dichlorothiophen-3-yl)-3-(dimethylamino)prop-2-en-1-one (CAS 166196-79-8) is a high-purity analytical reference standard with the molecular formula C9H9Cl2NOS and a molecular weight of 250.14 g/mol.
Based on its molecular formula C9H9Cl2NOS, (E)-1-(2,5-dichlorothiophen-3-yl)-3-(dimethylamino)prop-2-en-1-one contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 250.14 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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), (E)-1-(2,5-dichlorothiophen-3-yl)-3-(dimethylamino)prop-2-en-1-one 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 | C9H9Cl2NOS |
| Molecular Weight | 250.14 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2004 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related E Standards
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