4-Methyl-N-(4-(phenylsulfonyl)thiophen-3-yl)benzamide CAS 860611-18-3
| CAS No. | 860611-18-3 |
| Molecular Formula | C18H15NO3S2 |
| Molecular Weight | 357.45 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 4-Methyl-N-(4-(phenylsulfonyl)thiophen-3-yl)benzamide.
4-Methyl-N-(4-(phenylsulfonyl)thiophen-3-yl)benzamide (CAS 860611-18-3), molecular formula C18H15NO3S2 and molecular weight 357.45 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 4-Methyl-N-(4-(phenylsulfonyl)thiophen-3-yl)benzamide (C18H15NO3S2) is characterized by a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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 | C18H15NO3S2 |
| Molecular Weight | 357.45 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
Recommended Standards
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