| CAS No. | 1334660-45-5 |
| Molecular Formula | C18H22N2O2S2 |
| Molecular Weight | 362.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
3-(dimethylamino)-1-[5-[3-(dimethylamino)prop-2-enoyl]-3,4-dimethyl-thieno[2,3-b]thiophen-2-yl]prop-2-en-1-one (CAS 1334660-45-5) is a high-purity analytical reference standard with the molecular formula C18H22N2O2S2 and a molecular weight of 362.51 g/mol.
Based on its molecular formula C18H22N2O2S2, 3-(dimethylamino)-1-[5-[3-(dimethylamino)prop-2-enoyl]-3,4-dimethyl-thieno[2,3-b]thiophen-2-yl]prop-2-en-1-one contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 362.51 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).
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 | C18H22N2O2S2 |
| Molecular Weight | 362.51 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |