Methyl 2-ethyl-5-(4-methoxyphenyl)-7-methyl-3-oxo-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidine-6-carboxylate CAS 617698-55-2
| CAS No. | 617698-55-2 |
| Molecular Formula | C18H20N2O4S |
| Molecular Weight | 360.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl 2-ethyl-5-(4-methoxyphenyl)-7-methyl-3-oxo-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidine-6-carboxylate (C18H20N2O4S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO supplies Methyl 2-ethyl-5-(4-methoxyphenyl)-7-methyl-3-oxo-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidine-6-carboxylate (CAS 617698-55-2), a certified reference material (molecular formula C18H20N2O4S, MW 360.43 g/mol) for analytical method development and quality control.
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.
CATO manufactures Methyl 2-ethyl-5-(4-methoxyphenyl)-7-methyl-3-oxo-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidine-6-carboxylate 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.
Physical & Chemical Properties
| Molecular Formula | C18H20N2O4S |
| Molecular Weight | 360.43 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Recommended Standards
- Ethyl 5-cyano-2-phenyl-6-(phenylsulfanyl)pyridine-3-carboxylate (CAS 306980-00-7)
- Methyl 4-((5-benzyl-3-carbamoyl-4-methylthiophen-2-yl)amino)-4-oxobutanoate (CAS 380307-58-4)
- Ethyl 5-(4-methoxyphenyl)-2,7-dimethyl-3-oxo-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidine-6-carboxylate (CAS 324543-13-7)
- N-(1-((4-Methoxyphenyl)sulfonyl)-1,2,3,4-tetrahydroquinolin-6-yl)acetamide (CAS 946336-17-0)
- 3-(1-(Aminomethyl)cyclopentyl)pentan-3-ol (CAS 1542681-12-8)
- 4,6-Dimethyl-N-(2,2,2-trichloroethylidene)pyrimidin-2-amine (CAS 22126-08-5)
- (2-(4-Methyl-1,4-diazepan-1-yl)phenyl)methanol (CAS 915707-55-0)
- (S,E)-3-(4-(tert-Butoxycarbonyl)morpholin-2-yl)acrylic acid (CAS 2694061-01-1)
- Voriconazole Impurity 32 (CAS 180287-02-9)
- 2-(4,5-Dihydro-1h-pyrazol-1-yl)ethan-1-ol (CAS 5677-75-8)
- methyl 4-oxopyrido[1,2-a]pyrimidine-2-carboxylate (CAS 23951-66-8)
- Ethyl 2,5-dichloro-3-(trifluoromethyl)benzoate (CAS 2586126-40-9)
- (4-Chlorophenyl)(4-(methylthio)phenyl)methanol (CAS 844683-44-9)
- Autoinducing Peptide I trifluoroacetate salt (CAS 200010-29-3)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com