N-(4-methoxyphenyl)-3-nitro-4-(p-tolylthio)benzamide CAS 303988-20-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 303988-20-7 |
| Molecular Formula | C21H18N2O4S |
| Molecular Weight | 394.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
N-(4-methoxyphenyl)-3-nitro-4-(p-tolylthio)benzamide (CAS 303988-20-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C21H18N2O4S. Molecular weight: 394.44 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C21H18N2O4S |
| Molecular Weight | 394.44 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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- 1-Cyano-N,N-dimethylmethanesulfonamide (CAS 926265-18-1)
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- 3-Methyl-7-(2-methylallyl)-8-(propylthio)-3,7-dihydro-1H-purine-2,6-dione (CAS 332098-51-8)
- 4-Nitrobiphenyl-2',3',4',5',6'-d5 (CAS 64421-02-9)
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