N-(3,5-Dichlorophenyl)-4-isothiocyanatobenzenesulfonamide CAS 956576-71-9
| CAS No. | 956576-71-9 |
| Molecular Formula | C13H8Cl2N2O2S2 |
| Molecular Weight | 359.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), N-(3,5-Dichlorophenyl)-4-isothiocyanatobenzenesulfonamide 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.
N-(3,5-Dichlorophenyl)-4-isothiocyanatobenzenesulfonamide (CAS 956576-71-9), molecular formula C13H8Cl2N2O2S2 and molecular weight 359.25 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, N-(3,5-Dichlorophenyl)-4-isothiocyanatobenzenesulfonamide (C13H8Cl2N2O2S2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 359.25 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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.
Physical & Chemical Properties
| Molecular Formula | C13H8Cl2N2O2S2 |
| Molecular Weight | 359.25 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Related N Standards
- 2-[(3,4-Dichlorophenyl)methyl]-6-[(E)-2-phenylethenyl]-2,3,4,5-tetrahydropyridazin-3-one (CAS 1164529-92-3)
- 4-(2,4-Dichlorophenyl)-5-(methylsulfonyl)-2-thioxo-1,2-dihydropyridine-3-carbonitrile (CAS 1447962-53-9)
- 2-[4-(3,4-Dichlorophenyl)piperazin-1-yl]quinoxaline (CAS 339105-74-7)
- N-(2,3-Dichlorophenyl)-2-{[(naphthalen-1-yl)methyl]amino}acetamide (CAS 303091-16-9)
- N-(3,4-Dichlorophenyl)-4-isothiocyanatobenzenesulfonamide (CAS 956576-62-8)
- [(2,4-Dichlorophenyl)methyl]({[(4-methylphenyl)methyl]sulfamoyl})amine (CAS 337924-26-2)
- 2-({1-[(2,6-dichlorophenyl)methyl]-4-formyl-3-methyl-1H-pyrazol-5-yl}sulfanyl)acetic acid (CAS 882229-32-5)
- Ethyl 1-(2,6-dichlorophenyl)-2-(methylthio)-6-oxo-1,6-dihydropyrimidine-5-carboxylate (CAS 82636-21-3)
Recommended Standards
- N-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)benzenesulfonamide (CAS 914606-88-5)
- Pentafluorophenyl 2-pyrrolidin-1-ylpyrimidine-5-carboxylate (CAS 946409-38-7)
- ethyl 5-(trifluoromethyl)-1-[4-(trifluoromethyl)-1,3-thiazol-2-yl]-1H-pyrazole-4-carboxylate (CAS 956193-97-8)
- Linezolid Impurity 66 (CAS CATO-C4X-107366)
- 1-(3-Methoxyphenyl)pyrrolidine-3-carboxylic acid (CAS 933726-28-4)
- 4-Methylcyclohexanecarboxylic acid methyl ester (CAS 51181-40-9)
- 2-Fluoro-4-(piperidin-4-yl)pyridine (CAS 1138217-84-1)
- 1,3-Cycloheptanedione (CAS 1194-18-9)
- 3-cyclopropyl-2,2-dimethylpropanenitrile (CAS 473733-86-7)
- 6-(3-Fluorophenyl)-3-pyridinamine (CAS 1214327-17-9)
- Methyl 5-nitro-2-sulfamoylbenzoate (CAS 70017-22-0)
- Benzyl 3,7-diazabicyclo[4.1.0]Heptane-3-carboxylate (CAS 444188-88-9)
- Methyl 4-cyclopropyl-3-oxo-2,3,4,5-tetrahydrobenzo[f][1,4]oxazepine-7-carboxylate (CAS 1707378-75-3)
- Fibrinogen Related Peptide (CAS 80755-86-8)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com