4-chloro-2-hydroxybenzene-1-sulfonamide CAS 1243372-63-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1243372-63-5 |
| Molecular Formula | C6H6ClNO3S |
| Molecular Weight | 207.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 4-chloro-2-hydroxybenzene-1-sulfonamide (CAS 1243372-63-5) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C6H6ClNO3S. Molecular weight: 207.63 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C6H6ClNO3S |
| Molecular Weight | 207.63 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.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related chloro Standards
- Methyl 2-(5-chloro-3-oxoisothiazol-2(3H)-yl)acetate (CAS 1134642-84-4)
- 4-Chloro-2-(3-fluorophenyl)pyridine (CAS 1159814-60-4)
- 5-Chloro-2-(4-fluorophenyl)pyridine (CAS 1214327-65-7)
- 3-Chloro-2-fluoro-5-phenylpyridine (CAS 1214341-47-5)
- 3-Chloro-2-(3-fluorophenyl)pyridine (CAS 1214354-35-4)
- 2-(3-Chloro-5-fluorophenyl)pyridine (CAS 1379364-97-2)
- 2-Chloro-5-(4-fluorophenyl)pyridine (CAS 163563-10-8)
- 2-Chloro-5-fluoro-4-phenylpyridine (CAS 1807238-41-0)
Recommended Standards
- 1214354-55-8 Pyridine, 2-chloro-6-(4-fluorophenyl)- (CAS 1214354-55-8)
- Hydrochlorothiazide Impurity 1 (CAS 133-74-4)
- 1,1,2-Trichloro-1,2,2-trimethyldisilane (CAS 13528-88-6)
- glycolide-Phenylalanine-Octreotide (CAS CATO-C4X-152024)
- (2-Fluoroacetyl)glycine (CAS 6320-19-0)
- Benzo[d]oxazole-6-carbonitrile (CAS 1368899-07-3)
- 9-Mesityl-2,7,10-trimethylacridin-10-ium tetrafluoroborate (CAS 1621019-97-3)
- 3-Methyl-5-(1-methylpiperidin-2-yl)pyridin-2-amine (CAS 1352507-43-7)
- 1-(4-Methoxy-3-propan-2-yloxyphenyl)ethanone (CAS 88114-44-7)
- Semaglutide impurity 51 (CAS CATO-C4X-222651)
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