Ethyl 5-(3-methoxyphenyl)-7-methyl-2,3-dihydro-5H-thiazolo[3,2-a]pyrimidine-6-carboxylate CAS 890091-77-7
| CAS No. | 890091-77-7 |
| Molecular Formula | C17H20N2O3S |
| Molecular Weight | 332.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
Ethyl 5-(3-methoxyphenyl)-7-methyl-2,3-dihydro-5H-thiazolo[3,2-a]pyrimidine-6-carboxylate (CAS 890091-77-7) is a high-purity analytical reference standard with the molecular formula C17H20N2O3S and a molecular weight of 332.42 g/mol.
Based on its molecular formula C17H20N2O3S, Ethyl 5-(3-methoxyphenyl)-7-methyl-2,3-dihydro-5H-thiazolo[3,2-a]pyrimidine-6-carboxylate contains a steroid 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 332.42 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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 manufactures Ethyl 5-(3-methoxyphenyl)-7-methyl-2,3-dihydro-5H-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 | C17H20N2O3S |
| Molecular Weight | 332.42 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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- 5-Ethyl-3-(4-methoxyphenyl)-6-methyl-2-sulfanyl-3h,4h-thieno[2,3-d]pyrimidin-4-one (CAS 793716-04-8)
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Recommended Standards
- Ethyl 4-(sec-butylthio)-6-oxo-1-phenyl-1,6-dihydropyridazine-3-carboxylate (CAS 339031-48-0)
- Ethyl 5-amino-4-((3,4-dimethylphenyl)carbamoyl)-3-methylthiophene-2-carboxylate (CAS 370868-74-9)
- Ethyl 4-(butylsulfanyl)-6-oxo-1-phenyl-1,6-dihydropyridazine-3-carboxylate (CAS 339031-45-7)
- Isopropyl 2-amino-4-methyl-5-(o-tolylcarbamoyl)thiophene-3-carboxylate (CAS 350997-05-6)
- Methyl 6-(4-formylpiperazin-1-yl)-4-methylnicotinate (CAS 1355192-60-7)
- 1,5-Isoquinolinediol (CAS 5154-02-9)
- 5-(4-Methoxy-2-methylphenyl)-3-methyl-5-oxopentanoic acid (CAS 951885-18-0)
- (E)-3-(2-Methylpyrimidin-5-yl)acrylaldehyde (CAS 312262-93-4)
- 4-tert-butylphenylboronic acid (CAS 123324-71-0)
- tert-Butyl 6-methoxy-3,4-dihydroquinoline-1(2H)-carboxylate (CAS 121006-53-9)
- 4-Bromo-6,7-dihydro-5H-cyclopenta[c]pyridin-7-ol (CAS 1469979-87-0)
- Ethyl 4-[6-(dimethylamino)-4-(trifluoromethyl)pyridin-2-yl]benzoate (CAS 1208081-76-8)
- (2R,3S,4S,5R,6R)-2-(acetoxymethyl)-4-(benzyloxy)-6-methoxytetrahydro-2H-pyran-3,5-diyl diacetate (CAS 81348-24-5)
- Semaglutide impurity 193 (CAS CATO-C4X-2226193)
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