5-(4-Hydroxy-3-methoxyphenyl)-7-methyl-3-oxo-N-phenyl-2,3-dihydro-5H-thiazolo[3,2-a]pyrimidine-6-carboxamide CAS 444146-92-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 444146-92-3 |
| Molecular Formula | C21H19N3O4S |
| Molecular Weight | 409.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(4-Hydroxy-3-methoxyphenyl)-7-methyl-3-oxo-N-phenyl-2,3-dihydro-5H-thiazolo[3,2-a]pyrimidine-6-carboxamide (CAS 444146-92-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C21H19N3O4S. Molecular weight: 409.46 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C21H19N3O4S |
| Molecular Weight | 409.46 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.) | 2025 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Hydroxy Standards
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Recommended Standards
- 5-(3,4-Dimethoxybenzylidene)-2-(4-ethoxyphenyl)thiazolo[3,2-b][1,2,4]triazol-6(5H)-one (CAS 538340-02-2)
- Ethyl 5-{[2-(methoxycarbonyl)phenyl]sulfanyl}-3-(4-methylphenyl)-1,2,4-triazine-6-carboxylate (CAS 338965-82-5)
- 5-(2,5-Dimethoxybenzylidene)-2-(4-ethoxyphenyl)thiazolo[3,2-b][1,2,4]triazol-6(5H)-one (CAS 617694-41-4)
- (4,5-Dihydronaphtho[1,2-b]thiophen-2-yl)(morpholino)methanone (CAS 320424-00-8)
- 4-Butoxy-N-((1-isopropylpiperidin-4-yl)methyl)benzamide (CAS 946270-62-8)
- N-[[4-Chloro-3-(trifluoromethyl)phenyl]sulfonyl]-L-leucine (CAS 1038619-52-1)
- D-Asparagine tert-Butyl Ester (CAS 72287-71-9)
- tert-Butyl 2-{[(2-methoxy-2-oxoethyl)amino]carbonyl}-1-hydrazinecarboxylate (CAS 1353506-33-8)
- 5-Chloro-1-benzothiophene-2-carbonyl chloride (CAS 13771-97-6)
- Semaglutide Impurity 189 (CAS CATO-C4X-2226189)
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