N-(3,5-Difluorophenyl)-4-nitrobenzenesulfonamide CAS 738-67-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 738-67-0 |
| Molecular Formula | C12H8F2N2O4S |
| Molecular Weight | 314.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
N-(3,5-Difluorophenyl)-4-nitrobenzenesulfonamide (CAS 738-67-0) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C12H8F2N2O4S. Molecular weight: 314.26 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C12H8F2N2O4S |
| Molecular Weight | 314.26 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related N Standards
- N-(2,6-Difluorophenyl)-3-nitrobenzenesulfonamide (CAS 1023805-47-1)
- N-(2,4-Difluorophenyl)-4-nitrobenzenesulfonamide (CAS 737-04-2)
- N-(2,5-Difluorophenyl)-4-nitrobenzenesulfonamide (CAS 738-46-5)
- N-(2,4-difluorophenyl)-N'-methyl-3-(trifluoromethyl)benzimidamide (CAS 303149-01-1)
- 4-((2,4-Difluorophenyl)amino)-2-morpholino-4-oxobutanoic acid (CAS 941921-42-2)
- Methyl 1-(2,4-Difluorophenyl)-3-phenyl-1H-pyrazole-5-carboxylate (CAS 1202030-37-2)
- 1-(2,4-Difluorophenyl)-3-(4-methoxyphenyl)-1H-pyrazole-4-carbaldehyde (CAS 618098-79-6)
- 1-(2,4-Difluorophenyl)-3-(p-tolyl)-1H-pyrazole-5-carboxylic acid (CAS 618102-18-4)
Recommended Standards
- Ensitrelvir Impurity 8 (CAS CATO-C4X-25198)
- Pretomanid Impurity 26 (CAS 1131005-00-9)
- Ethyl 5-Methyl-2-[4-(trifluoromethoxy)phenyl]-1H-imidazole-4-carboxylate (CAS 868851-35-8)
- 3-Chloro-4-((4-fluorobenzyl)oxy)benzohydrazide (CAS 1706429-11-9)
- 2-Methoxy-4-(trifluoromethyl)phenylboronic Acid (CAS 312936-89-3)
- 1-Methyl-3-nitro-1h-1,2,4-triazole (CAS 26621-45-4)
- 2-methyl-1-(pyrrolidin-3-yl)-4,5,6,7-tetrahydro-1H-1,3-benzodiazole dihydrochloride (CAS 1798745-74-0)
- 4-[(3-chlorophenyl)methoxy]-3-methoxybenzaldehyde (CAS 588678-16-4)
- 6-((2-Fluorobenzyl)thio)-7H-purine (CAS 3798-86-5)
- Palmitoyl Tetrapeptide-7 (CAS 221227-05-0)
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