4-Nitro-N-phenylbenzenesulfonamide CAS 1576-44-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1576-44-9 |
| Molecular Formula | C12H10N2O4S |
| Molecular Weight | 278.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-Nitro-N-phenylbenzenesulfonamide (CAS 1576-44-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C12H10N2O4S. Molecular weight: 278.28 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C12H10N2O4S |
| Molecular Weight | 278.28 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Nitro Standards
- 4-Nitro-4-aminodiphenyl Sulfone (CAS 1948-92-1)
- 2-Nitro-N-phenylbenzenesulfonamide (CAS 5454-97-7)
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Recommended Standards
- 2-(7-(Furan-2-yl)-5-oxo-2,3-dihydro-5H-thiazolo[3,2-a]pyrimidin-3-yl)acetic acid (CAS 1411766-78-3)
- 2-(7-Fluoro-2-(tetrahydro-2h-pyran-4-yl)-1h-benzo[d]imidazol-1-yl)acetic acid (CAS 1707361-52-1)
- 5-(4-Methoxy-2-nitrophenyl)furan-2-carbothioamide (CAS 1354756-87-8)
- n-{2-[3-(aminomethyl)phenoxy]ethyl}-N-methyloxan-4-amine (CAS 1153383-86-8)
- tert-Butyl 2-amino-6,7-dihydropyrazolo[1,5-a]pyrimidine-4(5H)-carboxylate (CAS 1783532-91-1)
- tert-Butyl 2-oxo-3-oxa-1,8-diazaspiro[5.5]undecane-8-carboxylate (CAS 1363381-43-4)
- N-Ethylpyrazolidine-1-carboxamide (CAS 67580-94-3)
- 2,6-Difluoro-N-hexylbenzamide (CAS 1362692-15-6)
- 4-(5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazin-2-yl)morpholine (CAS 1283180-64-2)
- Semaglutide impurity 58 (CAS CATO-C4X-222658)
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