| CAS No. | 866039-19-2 |
| Molecular Formula | C20H18N4OS |
| Molecular Weight | 362.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Based on its molecular formula C20H18N4OS, 3-[4,6-Dimethyl-3-(1H-pyrrol-1-yl)thieno[2,3-b]pyridin-2-yl]-1-phenylurea contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 362.45 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
3-[4,6-Dimethyl-3-(1H-pyrrol-1-yl)thieno[2,3-b]pyridin-2-yl]-1-phenylurea (CAS 866039-19-2), molecular formula C20H18N4OS and molecular weight 362.45 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 3-[4,6-Dimethyl-3-(1H-pyrrol-1-yl)thieno[2,3-b]pyridin-2-yl]-1-phenylurea 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 | C20H18N4OS |
| Molecular Weight | 362.45 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |