Diethyl 5-(3,4-dimethoxybenzamido)-3-methylthiophene-2,4-dicarboxylate CAS 5657-82-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 5657-82-9 |
| Molecular Formula | C20H23NO7S |
| Molecular Weight | 421.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Diethyl 5-(3,4-dimethoxybenzamido)-3-methylthiophene-2,4-dicarboxylate (CAS 5657-82-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C20H23NO7S. Molecular weight: 421.46 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C20H23NO7S |
| Molecular Weight | 421.46 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Diethyl Standards
- Diethyl(troc-amino)bromomethylphosphonate (CAS 108217-08-9)
- Diethyl 6-ethyl-3-iodo-6H-thieno[2,3-b]pyrrole-2,5-dicarboxylate (CAS 1956383-22-4)
- Diethyl 2,2'-((sulfonylbis(4,1-phenylene))bis(oxy))diacetate (CAS 38775-52-9)
- Diethyl 2-(triphenylphosphoranylidene)malonate (CAS 7509-48-0)
- Diethyl 2,2'-(butane-1,4-diylbis(azanediyl))bis(6-oxo-1,6-dihydropyrimidine-5-carboxylate) (CAS 92736-10-2)
- 3,5-Diethyl 6-({[(4-chlorophenyl)carbamoyl]amino}amino)-2-oxo-1,2-dihydropyridine-3,5-dicarboxylate (CAS 321432-00-2)
- Diethyl (10-(1,3-dioxoisoindolin-2-yl)decyl)phosphonate (CAS 120818-68-0)
- diethyl [1-{[(2-ethoxyethoxy)carbonyl]amino}-2,2,2-trifluoro-1-(trifluoromethyl)ethyl]phosphonate (CAS 340031-52-9)
Recommended Standards
- 8-Methyl-N-(4-(trifluoromethoxy)phenyl)-4H-thieno[3,2-c]thiochromene-2-carboxamide (CAS 477887-29-9)
- Pitavastatin Impurity N4 (CAS 688735-41-3)
- 5-(5-(Allylthio)-4-phenyl-4H-1,2,4-triazol-3-yl)-1-methyl-3-(trifluoromethyl)-1H-thieno[2,3-c]pyrazole (CAS 338414-87-2)
- 6-Amino-5-((4-chlorophenyl)sulfonyl)-2-oxo-1,2-dihydropyridine-3-carbonitrile (CAS 338774-48-4)
- Acesulfame Potassium,Aspartame In Drink (CAS CATO-CCRM104022)
- 5-Methoxy-6-methylpyrimidine-4-carboxylic acid (CAS 2022268-12-6)
- 2-Fluoro-6-((tetrahydrofuran-2-yl)methoxy)aniline (CAS 1183643-73-3)
- 1-(Hydroxy(1-isopropyl-1H-pyrazol-4-yl)methyl)cyclobutane-1-carboxylic acid (CAS 1427010-49-8)
- 2-((2,6-Dimethoxy-5-(methylthio)pyrimidin-4-yl)amino)acetic acid (CAS 89587-85-9)
- Vancomycin Hexapeptide (CAS 115236-65-2)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com