Methyl 5-((2-ethoxyphenyl)carbamoyl)-4-methyl-2-(2-phenoxyacetamido)thiophene-3-carboxylate CAS 335408-52-1
| CAS No. | 335408-52-1 |
| Molecular Formula | C24H24N2O6S |
| Molecular Weight | 468.52 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Methyl 5-((2-ethoxyphenyl)carbamoyl)-4-methyl-2-(2-phenoxyacetamido)thiophene-3-carboxylate.
Methyl 5-((2-ethoxyphenyl)carbamoyl)-4-methyl-2-(2-phenoxyacetamido)thiophene-3-carboxylate (CAS 335408-52-1), molecular formula C24H24N2O6S and molecular weight 468.52 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Methyl 5-((2-ethoxyphenyl)carbamoyl)-4-methyl-2-(2-phenoxyacetamido)thiophene-3-carboxylate (C24H24N2O6S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 468.52 g/mol, it falls into the moderately-high-molecular-weight range. 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 | C24H24N2O6S |
| Molecular Weight | 468.52 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 | 2 |
| Sulfur Atoms | 1 |
Related Methyl Standards
- Methyl 5-((2-ethoxyphenyl)carbamoyl)-2-(2-methoxybenzamido)-4-methylthiophene-3-carboxylate (CAS 505096-67-3)
- Methyl 5-((2-ethoxyphenyl)carbamoyl)-2-(3-methoxybenzamido)-4-methylthiophene-3-carboxylate (CAS 505096-41-3)
- Methyl 5-((2-ethoxyphenyl)carbamoyl)-2-(4-methoxybenzamido)-4-methylthiophene-3-carboxylate (CAS 335405-89-5)
- Methyl 5-((4-ethoxyphenyl)carbamoyl)-2-(3-methoxybenzamido)-4-methylthiophene-3-carboxylate (CAS 506416-55-3)
- Methyl 5-((4-ethoxyphenyl)carbamoyl)-4-methyl-2-(2-phenoxyacetamido)thiophene-3-carboxylate (CAS 506416-57-5)
- 1-(4-Ethoxyphenyl)-5-((5-iodofuran-2-yl)methylene)-2-thioxodihydropyrimidine-4,6(1H,5H)-dione (CAS 358677-66-4)
- 2-((4-(3-(4-Ethoxyphenyl)thioureido)phenyl)thio)-N-(4-methoxyphenyl)acetamide (CAS 763126-93-8)
- N-(2-(5-(2-Ethoxyphenyl)-1-(thiophene-2-carbonyl)-4,5-dihydro-1H-pyrazol-3-yl)phenyl)methanesulfonamide (CAS 923245-23-2)
Recommended Standards
- tert-butyl 4-(4-((8-ethyl-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidin-2-yl)amino)-2-fluorophenyl)piperazine-1-carboxylate (CAS 2443767-09-5)
- Methyl 4-(1-(2-(diethylamino)ethyl)-3-(3-fluoro-4-methylbenzoyl)-4-hydroxy-5-oxo-2,5-dihydro-1H-pyrrol-2-yl)benzoate (CAS 618074-17-2)
- Cefdinir Impurity 36 (CAS CATO-C4X-121036)
- Methyl 2-(3,4-dimethoxybenzamido)-4-methyl-5-(m-tolylcarbamoyl)thiophene-3-carboxylate (CAS 335410-60-1)
- N3,N3,N5,N5-tetramethyl-1-((2,4,5-trichlorophenyl)sulfonyl)-1H-1,2,4-triazole-3,5-diamine (CAS 478032-13-2)
- Ethyl 4-oxo-8-phenyl-4,6,7,8-tetrahydroimidazo[2,1-c][1,2,4]triazine-3-carboxylate (CAS 1038994-32-9)
- Cefepime (CAS 88040-23-7)
- 5-fluoro-3-methyl-2-oxo-1,3-benzoxazole-7-carboxylic acid (CAS 2387595-88-0)
- (3-(n-(Tert-butyl)-n-methylsulfamoyl)phenyl)boronic acid (CAS 1217501-22-8)
- 4-(4-Fluorophenyl)piperidine-4-carbonitrilehydrochloride (CAS 256951-80-1)
- 6-Bromo-3-methylbenzofuran-2-carboxylic acid (CAS 914206-99-8)
- Acridine-4-carboxamide (CAS 134767-27-4)
- 5-Bromo-1-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pentan-1-amine (CAS 727354-16-7)
- Tirzepatide Impurity 52 (CAS CATO-C4X-324052)
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