(E)-3-(Thiophen-2-yl)acryloyl chloride CAS 73186-06-8
| CAS No. | 73186-06-8 |
| Molecular Formula | C7H5ClOS |
| Molecular Weight | 172.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(E)-3-(Thiophen-2-yl)acryloyl chloride (CAS 73186-06-8), molecular formula C7H5ClOS and molecular weight 172.63 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H5ClOS, (E)-3-(Thiophen-2-yl)acryloyl chloride contains sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 172.63 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
CATO manufactures (E)-3-(Thiophen-2-yl)acryloyl chloride under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C7H5ClOS |
| Molecular Weight | 172.63 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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.) | 1977 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related E Standards
- (E)-3-Thiophen-2-yl-acryloyl chloride 28424-61-5 F2146-0397 (CAS 28424-61-5)
- 2-Methyl-1-(thiophen-2-yl)propane-1-thiol (CAS 1248300-08-4)
- 1-(Thiophen-2-ylthio)propan-2-one (CAS 41444-33-1)
- 2-(Thiophen-2-ylmethoxy)acetic acid (CAS 147380-76-5)
- 2-((Thiophen-2-ylmethyl)thio)ethan-1-amine (CAS 41243-94-1)
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- 2-(Thiophen-2-yl)thiazolidine (CAS 31404-10-1)
- 2-(Methyl(thiophen-3-ylmethyl)amino)ethanol (CAS 255870-56-5)
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Why CATO?
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