| CAS No. | 39753-73-6 |
| Molecular Formula | C8H16N2O |
| Molecular Weight | 156.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 156.23 g/mol gives 2,2,4,5,5-Pentamethyl-2,5-dihydro-1H-imidazol-1-ol distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2,2,4,5,5-Pentamethyl-2,5-dihydro-1H-imidazol-1-ol (CAS 39753-73-6), molecular formula C8H16N2O and molecular weight 156.23 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to an amide group, a hydroxyl group, an ether linkage, 2,2,4,5,5-Pentamethyl-2,5-dihydro-1H-imidazol-1-ol is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 156.23 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C8H16N2O |
| Molecular Weight | 156.23 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) | 2.0 |
| CAS Registry Year (est.) | 1968 |
| Nitrogen Atoms | 2 |