Methyl 5-(3,4-dimethoxyphenyl)-2-ethyl-7-methyl-3-oxo-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidine-6-carboxylate CAS 617698-56-3
| CAS No. | 617698-56-3 |
| Molecular Formula | C19H22N2O5S |
| Molecular Weight | 390.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Methyl 5-(3,4-dimethoxyphenyl)-2-ethyl-7-methyl-3-oxo-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 in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies Methyl 5-(3,4-dimethoxyphenyl)-2-ethyl-7-methyl-3-oxo-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidine-6-carboxylate (CAS 617698-56-3), a certified reference material (molecular formula C19H22N2O5S, MW 390.45 g/mol) for analytical method development and quality control.
Methyl 5-(3,4-dimethoxyphenyl)-2-ethyl-7-methyl-3-oxo-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidine-6-carboxylate (C19H22N2O5S) 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C19H22N2O5S |
| Molecular Weight | 390.45 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 |
Related Methyl Standards
- N-(3,4-Dimethoxyphenyl)-4-(pyrrolidin-1-ylsulfonyl)benzamide (CAS 750603-84-0)
- 2-[[7-(3,4-Dimethoxyphenyl)imidazo[1,2-c]pyrimidin-5-yl]amino]nicotinamide (CAS 732983-37-8)
- 2-((2,4-Dimethoxyphenyl)(methyl)amino)-5-(trifluoromethyl)benzenesulfonamide (CAS 2366994-37-6)
- 2,3-Bis(3,4-dimethoxyphenyl)succinic acid (CAS 653572-61-3)
- 3-(3,4-Dimethoxyphenyl)-8-(trifluoromethyl)pyrido[2,3-e][1,2,3]triazolo[1,5-a]pyrimidin-5-amine (CAS 338420-35-2)
- 4-(3,4-Dimethoxyphenyl)-2-(thiophene-2-amido)thiophene-3-carboxylic acid (CAS 851722-02-6)
- 6-Benzyl-3-(3,4-dimethoxyphenyl)-2,5-dimethylpyrazolo[1,5-a]pyrimidin-7(1H)-one (CAS 838890-78-1)
- (3Z)-3-(3,4-Dimethoxyphenyl)-4-[(4-phenoxyphenyl)amino]but-3-en-2-one (CAS 339017-40-2)
Recommended Standards
- Methyl 5-((2-ethoxyphenyl)carbamoyl)-4-methyl-2-propionamidothiophene-3-carboxylate (CAS 335408-67-8)
- Methyl 4-[2-amino-4-(piperidine-1-sulfonyl)phenoxy]benzoate (CAS 735322-72-2)
- N-(3-cyano-4-tosylphenyl)-2-methylbenzamide (CAS 477866-86-7)
- Methyl 2-isobutyramido-5-((2-methoxyphenyl)carbamoyl)-4-methylthiophene-3-carboxylate (CAS 335409-88-6)
- (R)-3-Amino-3-(benzo[d][1,3]dioxol-5-yl)propanoic acid hydrochloride (CAS 464931-62-2)
- 3-(4-Fluorophenyl)-2,1-benzoxazole-5-carboxylic acid (CAS 950271-35-9)
- 2,4-Difluoroaniline (CAS 367-25-9)
- 2-Methoxy-4-(6-(trifluoromethyl)-1H-benzo[d]imidazol-2-yl)phenol (CAS 954099-94-6)
- N-(2-Methoxy-5-methylphenyl)-4-methylbenzenesulfonamide (CAS 116-41-6)
- 7-(1-Ethyl-1h-pyrazol-3-yl)-[1,2,4]triazolo[1,5-a]pyrimidine-2-carboxylic acid (CAS 1171033-76-3)
- Amlodipine Impurity N2 (CAS 111429-90-4)
- 4-Amino-8-bromoquinoline-3-carbonitrile (CAS 1247850-63-0)
- 2-(3-Fluoro-2-methoxyphenyl)acetonitrile (CAS 1017779-73-5)
- (Glu9)-Exenatide (2-39) trifluoroacetate salt (CAS 196109-34-9)
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