Methyl 2-isobutyramido-5-((2-methoxyphenyl)carbamoyl)-4-methylthiophene-3-carboxylate CAS 335409-88-6
| CAS No. | 335409-88-6 |
| Molecular Formula | C19H22N2O5S |
| Molecular Weight | 390.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl 2-isobutyramido-5-((2-methoxyphenyl)carbamoyl)-4-methylthiophene-3-carboxylate (CAS 335409-88-6), molecular formula C19H22N2O5S and molecular weight 390.45 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C19H22N2O5S, Methyl 2-isobutyramido-5-((2-methoxyphenyl)carbamoyl)-4-methylthiophene-3-carboxylate contains a flavonoid 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 390.45 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
As a certified reference material (CRM), Methyl 2-isobutyramido-5-((2-methoxyphenyl)carbamoyl)-4-methylthiophene-3-carboxylate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
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.) | 2025 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
- Methyl 2-butyramido-5-((2-methoxyphenyl)carbamoyl)-4-methylthiophene-3-carboxylate (CAS 335406-68-3)
- Methyl 4-[2-amino-4-(piperidine-1-sulfonyl)phenoxy]benzoate (CAS 735322-72-2)
- Methyl 2-((3-cyano-4-(4-methoxyphenyl)-6-phenylpyridin-2-yl)thio)acetate (CAS 314764-25-5)
- Methyl 5-((2-ethoxyphenyl)carbamoyl)-4-methyl-2-propionamidothiophene-3-carboxylate (CAS 335408-67-8)
- 1-(Methoxymethyl)-1H-pyrazole-5-sulfonyl chloride (CAS 1803594-93-5)
- 123065-23-6 2,5-Dimethoxybenzenesulfinic acid sodium salt MFCD11618049 (CAS 123065-23-6)
- 2-(4-chloro-1h-pyraZol-1-yl)propanohydrazide (CAS 1005583-19-6)
- Tricarbonyl(triphenylgermyl)(triphenylphosphine)cobalt (CAS 63815-03-2)
- Bis(2-methoxyphenyl)phosphine oxide (CAS 71360-04-8)
- N-Methyl-1-(6-(4-propylpiperazin-1-yl)pyridazin-3-yl)methanamine (CAS 1270720-30-3)
- 3,4-dichloro-N-cyclopentylaniline hydrochloride (CAS 2059975-62-9)
- 1,2-Bis(4-(bromomethyl)phenyl)ethane (CAS 6337-67-3)
- (E)-5-(2-((3,4-dimethylphenyl)amino)vinyl)-3-(methylthio)isothiazole-4-carbonitrile (CAS 338751-26-1)
- Peptide Impurity 40 (CAS CATO-CPTD788840)
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