2,3,4-Trichloro-5-iodothiophene CAS 56156-79-7
| CAS No. | 56156-79-7 |
| Molecular Formula | C4Cl3IS |
| Molecular Weight | 313.37 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 2,3,4-Trichloro-5-iodothiophene (CAS 56156-79-7), a certified reference material (molecular formula C4Cl3IS, MW 313.37 g/mol) for analytical method development and quality control.
Based on its molecular formula C4Cl3IS, 2,3,4-Trichloro-5-iodothiophene contains sulfur-containing functionality, chlorine/iodine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 313.37 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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), 2,3,4-Trichloro-5-iodothiophene 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 | C4Cl3IS |
| Molecular Weight | 313.37 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1973 |
| Halogen Content | Cl/I-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
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- 2-(4-(tert-Butoxycarbonyl)piperazin-1-yl)thiazole-4-carboxylic acid (CAS 668484-45-5)
- 2-{[4-(cyclohexylsulfanyl)-3-nitrophenyl]methylidene}propanedinitrile (CAS 301194-64-9)
- 1-(3-(Difluoromethyl)phenyl)propan-1-one (CAS 1806577-45-6)
- 2-(7-(4-Nitrobenzoyl)-5-oxo-2,3,5,6-tetrahydropyrrolo[2,1-b]thiazol-6-yl)acetic acid (CAS 1269534-75-9)
- N-(3,4-Dichlorophenyl)tetrahydrofuran-2-carboxamide (CAS 545340-98-5)
- Levetiracetam Impurity 40 (CAS CATO-C4X-106740)
- N-(4-Bromo-3-fluoro-6-methyl-2-nitrophenyl)acetamide (CAS 1820604-24-7)
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- 2-(2-Ethyl-4-methylthiazol-5-yl)acetic acid (CAS 1216001-53-4)
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