1,3-Dimethyl-2-[(2-oxopropyl)sulfanyl]-1H-imidazol-3-ium chloride CAS 135273-74-4
| CAS No. | 135273-74-4 |
| Molecular Formula | C8H13N2OS |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
CATO supplies 1,3-Dimethyl-2-[(2-oxopropyl)sulfanyl]-1H-imidazol-3-ium chloride (CAS 135273-74-4), a certified reference material (molecular formula C8H13N2OSCl, MW 220.72 g/mol) for analytical method development and quality control.
Based on its molecular formula C8H13N2OSCl, 1,3-Dimethyl-2-[(2-oxopropyl)sulfanyl]-1H-imidazol-3-ium chloride contains 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 220.72 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.
Physical & Chemical Properties
| Molecular Formula | C8H13N2OS Cl |
| Molecular Weight | 220.72 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- Bromfenac Impurity 73 (CAS CATO-C4X-200273)
- methyl 2,4-dioxo-4-phenylbutanoate (CAS 20577-73-5)
- Semaglutide Impurity 10 (CAS CATO-C4X-222610)
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