4-[(3-nitrobenzenesulfonyl)oxy]benzoic acid CAS 568543-73-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 568543-73-7 |
| Molecular Formula | C13H9NO7S |
| Molecular Weight | 323.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-[(3-nitrobenzenesulfonyl)oxy]benzoic acid (CAS 568543-73-7) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C13H9NO7S. Molecular weight: 323.28 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C13H9NO7S |
| Molecular Weight | 323.28 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related nitrobenzenesulfonyl Standards
- 1-(2-Methyl-5-nitrobenzenesulfonyl)piperidine-4-carboxylic acid (CAS 722473-59-8)
- 1-(4-Nitrobenzenesulfonyl)piperidine-2-carboxylic acid (CAS 498531-42-3)
- 1-(4-Nitrobenzenesulfonyl)piperidine-3-carboxylic acid (CAS 321970-62-1)
- 1-(4-Nitrobenzenesulfonyl)piperidine-4-carboxylic acid (CAS 331828-49-0)
- 4-[(2-methyl-5-nitrobenzenesulfonyl)oxy]benzoic acid (CAS 749216-12-4)
- 1-(4-Nitrobenzenesulfonyl)pyrrolidine-2-carboxylic acid (CAS 1375313-81-7)
- 1-(3-Nitrobenzenesulfonyl)pyrrolidine-2-carboxylic acid (CAS 67320-37-0)
- 4-(2-Nitrobenzenesulfonyl)piperazine-1-carbaldehyde (CAS 866152-60-5)
Recommended Standards
- 3-Nitro-N-(2-nitrophenyl)benzenesulfonamide (CAS 873985-57-0)
- (2S)-2-amino-4-(hydroxymethylphosphinyl)butanoyl-L-alanyl-L-alanine (2S)-2-amino-4-[hydroxy(methyl)phosphinoyl]butyryl-L-alanyl-L-alanine 2-Amino-4-(methylphosphino)butyrylalanylalanine 35597-43-4 Antibiotic SF 1293 Bialaphos CHEBI:3088 L-phosphinothricyl-L-alanyl-L-alanine N-{(2S)-2-amino-4-[hydroxy(methyl)phosphoryl]butanoyl}-L-alanyl-L-alanine PTT Phosphinothricylalanylalanine bilanafos gamma-(Hydroxymethylphosphinyl)-L-alpha-aminobutyryl-L-alanyl-L-alanine phosphinothricin tripeptide (CAS 35597-43-4)
- 2-Nitro-N-(2-nitrophenyl)benzenesulfonamide (CAS 331256-09-8)
- 3,4-Dehydro-L-proline methyl ester hydrochloride (CAS 51827-12-4)
- 4-(4-Ethoxyphenyl)-2-(3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)-4-oxobutanoic acid (CAS 135128-60-8)
- Peficitinib Impurity 5【Discontinued,See C4X-28071】 (CAS CATO-C4X-28075)
- 1-(2-Chlorobenzyl)-1-methylguanidine sulfate (CAS 1185452-97-4)
- {2-[(4-bromophenyl)sulfanyl]pyridin-3-yl}methyl N-(3,5-dichlorophenyl)carbamate (CAS 478031-19-5)
- (2R,3R,4S,5R,6R)-2-(acetoxymethyl)-6-aminotetrahydro-2H-pyran-3,4,5-triyl triacetate (CAS 51642-81-0)
- Semaglutide impurity 95 (CAS CATO-C4X-222695)
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 13829788188 / jacky.chen@cato-chem.com