1-(O-tolyl)-5-(p-tolyl)-1h-imidazole-2-thiol CAS 1105188-84-8
| CAS No. | 1105188-84-8 |
| Molecular Formula | C17H16N2S |
| Molecular Weight | 280.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 1-(O-tolyl)-5-(p-tolyl)-1h-imidazole-2-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.
CATO supplies 1-(O-tolyl)-5-(p-tolyl)-1h-imidazole-2-thiol (CAS 1105188-84-8), a certified reference material (molecular formula C17H16N2S, MW 280.39 g/mol) for analytical method development and quality control.
Based on its molecular formula C17H16N2S, 1-(O-tolyl)-5-(p-tolyl)-1h-imidazole-2-thiol contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 280.39 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).
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.
Physical & Chemical Properties
| Molecular Formula | C17H16N2S |
| Molecular Weight | 280.39 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 1,5-Di-p-tolyl-1H-imidazole-2-thiol (CAS 1105188-73-5)
- 1-(2-Aminoethyl)-6-(ethylthio)-N-isopropyl-1H-pyrazolo[3,4-d]pyrimidin-4-amine (CAS 1105197-82-7)
- 1-Benzyl-5-(p-tolyl)-1H-imidazole-2-thiol (CAS 1105188-70-2)
- 2-(Ethylthio)-1,5-diphenyl-1H-imidazole (CAS 1206996-23-7)
- 1-Boc-3-iodo-1H-indazole (CAS 290368-00-2)
- (3s,4r)-3-{[(tert-butoxy)carbonyl]amino}-4-methylhexanoic acid (CAS 497106-86-2)
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- 9-(4-Vinylbenzyl)-9H-purin-6-amine (CAS 464181-96-2)
- 2-(2-Benzoimidazolyl)acetic Acid (CAS 13570-08-6)
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- Ethyl 4-fluoro-5-hydroxy-1-methyl-1H-pyrazole-3-carboxylate (CAS 1707364-85-9)
- Semaglutide impurity 259 (CAS CATO-C4X-2226259)
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