| CAS No. | 36301-90-3 |
| Molecular Formula | C12H12N2O3S2 |
| Molecular Weight | 296.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 296.37 g/mol gives 2-(((5-Oxo-1-phenyl-2-thioxoimidazolidin-4-yl)methyl)thio)acetic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-(((5-Oxo-1-phenyl-2-thioxoimidazolidin-4-yl)methyl)thio)acetic acid (CAS 36301-90-3), molecular formula C12H12N2O3S2 and molecular weight 296.37 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-(((5-Oxo-1-phenyl-2-thioxoimidazolidin-4-yl)methyl)thio)acetic acid (C12H12N2O3S2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 296.37 g/mol, it falls into the medium-molecular-weight range. 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.
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.
| Molecular Formula | C12H12N2O3S2 |
| Molecular Weight | 296.37 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1967 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |