3-Amino-5-chloro-2-hydroxybenzenesulfonic acid CAS 88-23-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 88-23-3 |
| Molecular Formula | C6H6ClNO4S |
| Molecular Weight | 223.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 3-Amino-5-chloro-2-hydroxybenzenesulfonic acid (CAS 88-23-3) pharmaceutical standards reference standard. Molecular formula: C6H6ClNO4S. Molecular weight: 223.63 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C6H6ClNO4S |
| Molecular Weight | 223.63 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Amino Standards
- 3-Amino-5-chloro-4-hydroxybenzenesulfonic acid (CAS 5857-94-3)
- 4-Amino-6-chlorocinnoline-3-carboxylic acid (CAS 161373-46-2)
- 4-Amino-7-chlorocinnoline-3-carboxylic acid (CAS 161373-47-3)
- 2-Amino-3-chloro-1,7-naphthyridine-6-carboxylic acid (CAS 2691878-64-3)
- 7-Amino-6-chloro-1,8-naphthyridine-3-carboxylic acid (CAS 2691878-59-6)
- 2-Amino-6-chloro-3-formylchromone (CAS 68301-77-9)
- 2-Amino-6-(4-chlorophenyl)-3,4,5,6-tetrahydropyrimidin-4-one (CAS 1072069-65-8)
- 3-Amino-1-(2-chlorophenyl)-4-methyl-1H-pyrazol-5(4H)-one (CAS 139451-37-9)
Recommended Standards
- 2-Chloro-N-(4-fluorophenyl)pyrimidin-4-amine (CAS 260046-12-6)
- 2-Chloro-N-(3-fluorophenyl)pyrimidin-4-amine (CAS 898805-58-8)
- 4-(3-Chloro-2-fluorophenyl)pyrimidin-2-amine (CAS 671754-13-5)
- 3-Fluoro-2-(methoxycarbonyl)benzeneboronic acid pinacol ester, 97% (CAS 1293284-61-3)
- 2-Chloro-3-(2-fluorophenyl)-5-(trifluoromethyl)pyridine (CAS 1214334-02-7)
- 893-33-4 AR-1I2308 chromium(3+) sodium[(3-chloro-5-{[1-(2,6-dimethyl-3-sulfamoylphenyl)-3-methyl-5-oxo-1,5-dihydro-4h-pyrazol-4-ylidene]hydrazinylidene}-6-oxocyclohexa-1,3-dien-1-yl)imino]dioxidanide 4-[(3-chloro-5-nitro-6-oxocyclohexa-2,4-dien-1-ylidene)diazanidyl]-1-(2,6-dimethyl-3-sulfamoylphenyl)-3-methyl-1h-pyrazol-5-olate(1:1:1:1) (CAS 893-33-4)
- 5-Methoxy-2-nitro-4-phenoxybenzaldehyde (CAS 1799439-10-3)
- 2,5-Dibromo-3-tetradecylthiophene (CAS 160096-74-2)
- tert-Butyl (5-chloro-6-methylpyridin-2-yl)carbamate (CAS 582308-82-5)
- Semaglutide impurity 94 (CAS CATO-C4X-222694)
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