2-((2-(3,4-Dihydroquinolin-1(2H)-yl)-2-oxoethyl)thio)-3-methyl-7-phenylthieno[3,2-d]pyrimidin-4(3H)-one CAS 1040632-71-0
| CAS No. | 1040632-71-0 |
| Molecular Formula | C24H21N3O2S2 |
| Molecular Weight | 447.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 2-((2-(3,4-Dihydroquinolin-1(2H)-yl)-2-oxoethyl)thio)-3-methyl-7-phenylthieno[3,2-d]pyrimidin-4(3H)-one.
2-((2-(3,4-Dihydroquinolin-1(2H)-yl)-2-oxoethyl)thio)-3-methyl-7-phenylthieno[3,2-d]pyrimidin-4(3H)-one (CAS 1040632-71-0), molecular formula C24H21N3O2S2 and molecular weight 447.57 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, 2-((2-(3,4-Dihydroquinolin-1(2H)-yl)-2-oxoethyl)thio)-3-methyl-7-phenylthieno[3,2-d]pyrimidin-4(3H)-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 447.57 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.
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.
As a certified reference material (CRM), 2-((2-(3,4-Dihydroquinolin-1(2H)-yl)-2-oxoethyl)thio)-3-methyl-7-phenylthieno[3,2-d]pyrimidin-4(3H)-one 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.
Physical & Chemical Properties
| Molecular Formula | C24H21N3O2S2 |
| Molecular Weight | 447.57 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
Related Dihydroquinolin Standards
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