| CAS No. | 445269-26-1 |
| Molecular Formula | C18H20N4OS2 |
| Molecular Weight | 372.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
As a certified reference material (CRM), 3-Amino-6-ethyl-N-(4-methylthiazol-2-yl)-5,6,7,8-tetrahydrothieno[2,3-b]quinoline-2-carboxamide 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.
CATO supplies 3-Amino-6-ethyl-N-(4-methylthiazol-2-yl)-5,6,7,8-tetrahydrothieno[2,3-b]quinoline-2-carboxamide (CAS 445269-26-1), a certified reference material (molecular formula C18H20N4OS2, MW 372.51 g/mol) for analytical method development and quality control.
Structurally, 3-Amino-6-ethyl-N-(4-methylthiazol-2-yl)-5,6,7,8-tetrahydrothieno[2,3-b]quinoline-2-carboxamide (C18H20N4OS2) 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 372.51 g/mol, it falls into the moderately-high-molecular-weight range. 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.
| Molecular Formula | C18H20N4OS2 |
| Molecular Weight | 372.51 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.) | 2025 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 2 |