2-Methoxyethyl 2-(4-fluorobenzylidene)-7-methyl-3-oxo-5-(thiophen-2-yl)-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidine-6-carboxylate CAS 617698-66-5
| CAS No. | 617698-66-5 |
| Molecular Formula | C22H19FN2O4S2 |
| Molecular Weight | 458.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 2-Methoxyethyl 2-(4-fluorobenzylidene)-7-methyl-3-oxo-5-(thiophen-2-yl)-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidine-6-carboxylate is closely related to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
2-Methoxyethyl 2-(4-fluorobenzylidene)-7-methyl-3-oxo-5-(thiophen-2-yl)-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidine-6-carboxylate (CAS 617698-66-5), molecular formula C22H19FN2O4S2 and molecular weight 458.53 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C22H19FN2O4S2, 2-Methoxyethyl 2-(4-fluorobenzylidene)-7-methyl-3-oxo-5-(thiophen-2-yl)-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidine-6-carboxylate contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 458.53 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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-Methoxyethyl 2-(4-fluorobenzylidene)-7-methyl-3-oxo-5-(thiophen-2-yl)-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidine-6-carboxylate 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 | C22H19FN2O4S2 |
| Molecular Weight | 458.53 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Related Methoxyethyl Standards
- 2-Methoxyethyl 2-(2-fluorobenzylidene)-7-methyl-3-oxo-5-(thiophen-2-yl)-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidine-6-carboxylate (CAS 617698-68-7)
- 2-Methoxyethyl 7-methyl-2-(4-methylbenzylidene)-3-oxo-5-(thiophen-2-yl)-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidine-6-carboxylate (CAS 618072-26-7)
- 2-Methoxyethyl 2-(5-(2-chloro-4-(trifluoromethyl)phenoxy)-2-nitrophenoxy)propanoate (CAS 72082-45-2)
- 2-Methoxyethyl 7-methyl-3-oxo-2-(3-phenylallylidene)-5-(thiophen-2-yl)-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidine-6-carboxylate (CAS 617698-67-6)
- N-(3-(2-Methoxyethyl)-6-(methylsulfonyl)benzo[d]thiazol-2(3H)-ylidene)-2,3-dihydrobenzo[b][1,4]dioxine-6-carboxamide (CAS 864977-28-6)
- 2-Methoxyethyl 2-(2-methoxybenzylidene)-7-methyl-3-oxo-5-(thiophen-2-yl)-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidine-6-carboxylate (CAS 617698-61-0)
- 2-Methoxyethyl 2-(3-methoxybenzylidene)-7-methyl-3-oxo-5-(thiophen-2-yl)-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidine-6-carboxylate (CAS 617698-59-6)
- 2-Methoxyethyl 2-(4-methoxybenzylidene)-7-methyl-3-oxo-5-(thiophen-2-yl)-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidine-6-carboxylate (CAS 618071-66-2)
Recommended Standards
- 3-Methyl-5-((4-(2-(thiophen-3-yl)acetyl)piperazin-1-yl)sulfonyl)thiophene-2,4-dicarboxylic acid (CAS 920610-77-1)
- Ethyl 3-cyclohexyl-3-oxo-2-(triphenyl-λ5-phosphanylidene)propanoate (CAS 131292-27-8)
- 4-(3-(4-(4,6-Diamino-2,2-dimethyl-1,3,5-triazin-1(2H)-yl)phenyl)propanamido)-2-methylbenzenesulfonic acid (CAS 28321-30-4)
- n-[5-(azepane-1-sulfonyl)-2-methoxyphenyl]-5-(1h-pyrazol-1-ylmethyl)furan-2-carboxamide (CAS 1169951-41-0)
- 4-Bromo-2-(pentyloxy)benzonitrile (CAS 1191055-82-9)
- 1-Bromo-2,3-dichloro-4-propoxybenzene (CAS 1881330-72-8)
- Cis-3-methylenedecahydrocycloocta[b]furan (CAS 112701-82-3)
- Metoclopramide EP Impurity F (CAS 38339-95-6)
- 5-Fluoro-4-iodo-1-methylpyridin-2(1H)-one (CAS 1823346-18-4)
- Tianeptine Metabolite MC5 Methyl Ester (CAS 1159977-59-9)
- 7-Methoxy-1H-indazole-6-carboxylic acid methyl ester (CAS 907190-29-8)
- 5-Methyl-4-(2-phenylethyl)-2,4-dihydro-3H-pyrazol-3-one (CAS 1144443-04-8)
- 6-(Sec-butoxy)hexane-1-sulfonyl chloride (CAS 1343042-20-5)
- Semaglutide impurity 46 (CAS CATO-C4X-222646)
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