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
| CAS No. | 618072-26-7 |
| Molecular Formula | C23H22N2O4S2 |
| Molecular Weight | 454.56 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C23H22N2O4S2, 2-Methoxyethyl 7-methyl-2-(4-methylbenzylidene)-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; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 454.56 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), molecular formula C23H22N2O4S2 and molecular weight 454.56 g/mol, is a CATO reference standard with documented purity and traceability.
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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C23H22N2O4S2 |
| Molecular Weight | 454.56 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| 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 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)
- 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-(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)quinoxaline-2-carboxamide (CAS 1173456-87-5)
- 2-Methoxyethyl 2-amino-4-(2,3-dichlorophenyl)-6-(hydroxymethyl)-8-oxo-4,8-dihydropyrano[3,2-b]pyran-3-carboxylate (CAS 902304-37-4)
- 2-Methoxyethyl 2-amino-4-(3,4-dichlorophenyl)-6-(hydroxymethyl)-8-oxo-4,8-dihydropyrano[3,2-b]pyran-3-carboxylate (CAS 904262-23-3)
Recommended Standards
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- Biphenylindanone A (CAS 866823-73-6)
- 2,2'-Bitriphenylene (CAS 37654-32-3)
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- 4-(4-Bromobenzoyl)quinoline (CAS 1706450-26-1)
- Dipyridamole EP Impurity B (CAS 16908-47-7)
- 3-(1-Ethyl-3-piperidinyl)benzoic acid (CAS 1784665-99-1)
- 3-(Phenoxymethyl)benzonitrile (CAS 57928-72-0)
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- (E)-Butyl(([4-(tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]methylidene))amine (CAS 871366-36-8)
- Liraglutide-d8 Tritrifluoroacetate (CAS CATO-C4X-199223)
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