4-Chloro-5-hydrazinylbenzene-1,3-disulfonamide CAS 644-59-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 644-59-7 |
| Molecular Formula | C6H9ClN4O4S2 |
| Molecular Weight | 300.74 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Chloro-5-hydrazinylbenzene-1,3-disulfonamide (CAS 644-59-7) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C6H9ClN4O4S2. Molecular weight: 300.74 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C6H9ClN4O4S2 |
| Molecular Weight | 300.74 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; 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 | 4 |
| Sulfur Atoms | 2 |
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Recommended Standards
- 4-Amino-N-(2-chloro-6-fluorophenyl)benzenesulfonamide (CAS 98841-56-6)
- 4-Chloro-6,7-dimethoxy-2-phenylquinazoline (CAS 221697-86-5)
- 4-Amino-3-((2-chloro-6-fluorobenzyl)thio)-6-methyl-1,2,4-triazin-5(4H)-one (CAS 261962-48-5)
- 1-[(6-Methoxypyridin-3-yl)methyl]-3-methylurea (CAS 1602194-44-4)
- 3-(1-Hydroxyethyl)-4-methyl-1H-1,2,4-triazole-5(4H)-thione (CAS 149762-19-6)
- 2-(3-Bromophenyl)-3-methylbutanoic acid (CAS 1226304-46-6)
- N-((2,3-Dichloropropanoyl)oxy)-2-(quinolin-8-yloxy)acetimidamide (CAS 88758-10-5)
- 2-(Benzo[d][1,3]dioxol-5-yl)pentan-2-ol (CAS 1443302-93-9)
- 4-(3-Bromopropyl)-1,2-oxazole (CAS 1341556-84-0)
- Epidermal Growth Factor Receptor Peptide (985-996) (CAS 96249-43-3)
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