| CAS No. | 4274-15-1 |
| Molecular Formula | C9H20N2S |
| Molecular Weight | 188.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 188.33 g/mol gives 1,1,3,3-Tetraethylthiourea distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 1,1,3,3-Tetraethylthiourea (CAS 4274-15-1), a certified reference material (molecular formula C9H20N2S, MW 188.33 g/mol) for analytical method development and quality control.
1,1,3,3-Tetraethylthiourea (C9H20N2S) contains sulfur-containing functionality. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
As a certified reference material (CRM), 1,1,3,3-Tetraethylthiourea 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.
| Molecular Formula | C9H20N2S |
| Molecular Weight | 188.33 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) | 1.0 |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |