3-Amino-4-hydroxy-5-nitrobenzenesulfonic acid CAS 96-93-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 96-93-5 |
| Molecular Formula | C6H6N2O6S |
| Molecular Weight | 234.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Amino-4-hydroxy-5-nitrobenzenesulfonic acid (CAS 96-93-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H6N2O6S. Molecular weight: 234.19 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H6N2O6S |
| Molecular Weight | 234.19 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Amino Standards
- 3-Amino-2-hydroxy-5-nitrobenzenesulfonic acid (CAS 96-67-3)
- 5-Amino-1-(2,4-difluorophenyl)-3-methyl-1H-pyrazole-4-carbonitrile (CAS 1020057-92-4)
- 5-Amino-1-(2,5-difluorophenyl)-3-methyl-1h-pyrazole-4-carbonitrile (CAS 1072944-86-5)
- Ethyl 2-amino-6-(trifluoromethyl)isonicotinate (CAS 1196152-54-1)
- Ethyl 2-amino-4-(trifluoromethyl)nicotinate (CAS 1227508-36-2)
- Ethyl 2-amino-3-(trifluoromethyl)isonicotinate (CAS 1227571-42-7)
- Ethyl 2-amino-5-(trifluoromethyl)isonicotinate (CAS 1227575-40-7)
- Ethyl 6-amino-2-(trifluoromethyl)nicotinate (CAS 1227579-30-7)
Recommended Standards
- 4-(Pentafluoro-λ6-sulfanyl)benzene-1,2-diamine (CAS 663179-59-7)
- (4-(Pentafluoro-lambda6-sulfanyl)phenyl)methanol (CAS 773872-73-4)
- Tenofovir alafenamide Impurity 79 (CAS 102-10-3)
- 2-[1-amino-2-(4-fluorophenoxy)ethylidene]malononitrile (CAS 343375-38-2)
- 3-Iodo-2-(trifluoromethyl)benzoic acid (CAS 1261795-34-9)
- [3-(Methylamino)propyl]triphenylphosphonium Bromide (CAS 145126-87-0)
- (S)-2-amino-N,3-dimethyl-N-(3-methylbenzyl)butanamide (CAS 1307500-66-8)
- 5-Bromo-2,3,3-trimethyl-3H-indole (CAS 54136-24-2)
- 3-Methyl-4-(4-methylpiperazine-1-carbonyl)aniline (CAS 1180131-77-4)
- D-Ala21-Tirzepatide (CAS CATO-CPTD788913)
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