Methyl 3-[(2-methoxy-2-oxoethyl)(4-methylphenyl)sulfamoyl]-4-phenylthiophene-2-carboxylate CAS 1021213-00-2
| CAS No. | 1021213-00-2 |
| Molecular Formula | C22H21NO6S2 |
| Molecular Weight | 459.54 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 3-[(2-methoxy-2-oxoethyl)(4-methylphenyl)sulfamoyl]-4-phenylthiophene-2-carboxylate.
Methyl 3-[(2-methoxy-2-oxoethyl)(4-methylphenyl)sulfamoyl]-4-phenylthiophene-2-carboxylate (CAS 1021213-00-2), molecular formula C22H21NO6S2 and molecular weight 459.54 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C22H21NO6S2, Methyl 3-[(2-methoxy-2-oxoethyl)(4-methylphenyl)sulfamoyl]-4-phenylthiophene-2-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 459.54 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.
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 3-[(2-methoxy-2-oxoethyl)(4-methylphenyl)sulfamoyl]-4-phenylthiophene-2-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 | C22H21NO6S2 |
| Molecular Weight | 459.54 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
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Recommended Standards
- Pemafibrate Impurity 71 (CAS CATO-C4X-290371)
- 1-(4-((6,7-Dimethoxy-3,4-dihydroisoquinolin-1-yl)methyl)phenyl)-3-(4-ethoxyphenyl)urea (CAS 1023501-44-1)
- Pemafibrate Impurity 22 (CAS CATO-C4X-290322)
- 1024192-03-7 1-(4-((6,7-Dimethoxy(3,4-dihydroisoquinolyl))methyl)phenyl)-3-(2-methoxy-5-methylphenyl)urea MFCD03839396 (CAS 1024192-03-7)
- Tert-butyl (1-(cyclohexylmethyl)-1H-1,2,3-triazol-4-yl)carbamate (CAS 1443981-00-7)
- Methyl 6-bromo-5-iodo-1H-indole-3-carboxylate (CAS 475641-12-4)
- 6-alfa,3'-p-Dihydroxy Paclitaxel (CAS 157230-10-9)
- 2-[(2-chloro-4-nitrophenyl)formamido]-4-(methylsulfanyl)butanoic acid (CAS 1007926-49-9)
- Benzoic Acid Impurity 2 (CAS 775304-03-5)
- 6-Amino-4-phenyl-2-thioxo-1,2,3,4-tetrahydro-pyrimidine-5-carboxylic acid amide (CAS 98011-28-0)
- o-Tolylacetic Acid (CAS 644-36-0)
- 2-((5-Methylpyrazin-2-yl)amino)ethanethiol (CAS 105954-48-1)
- 4-Bromo-4'-[di(p-tolyl)amino]stilbene (CAS 101186-77-0)
- Semaglutide Impurity 246 (CAS CATO-C4X-2226246)
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