| CAS No. | 587005-30-9 |
| Molecular Formula | C19H20N2OS2 |
| Molecular Weight | 356.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2-(Cinnamylthio)-3-ethyl-5,6-dimethylthieno[2,3-d]pyrimidin-4(3H)-one (CAS 587005-30-9), molecular formula C19H20N2OS2 and molecular weight 356.50 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-(Cinnamylthio)-3-ethyl-5,6-dimethylthieno[2,3-d]pyrimidin-4(3H)-one (C19H20N2OS2) contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 356.50 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures 2-(Cinnamylthio)-3-ethyl-5,6-dimethylthieno[2,3-d]pyrimidin-4(3H)-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
| Molecular Formula | C19H20N2OS2 |
| Molecular Weight | 356.50 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |