7,7'-Methylenebis(8-hydroxyquinoline-5-sulfonic acid) CAS 61923-97-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 61923-97-5 |
| Molecular Formula | C19H14N2O8S2 |
| Molecular Weight | 462.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 7,7'-Methylenebis(8-hydroxyquinoline-5-sulfonic acid) (CAS 61923-97-5) pharmaceutical standards reference standard. Molecular formula: C19H14N2O8S2. Molecular weight: 462.45 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C19H14N2O8S2 |
| Molecular Weight | 462.45 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1974 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
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Recommended Standards
- 3,4-Dichloronaphthalen-1-ol (CAS 58877-90-0)
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- (R)-1-(4-ethoxyphenyl)propan-1-amine (CAS 856758-62-8)
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- 1,3,6,8-Tetraphenylpyrene (CAS 13638-82-9)
- Trazodone USP Related Compound F (CAS CATO-C4X-177222)
- 2-(1-Naphthyl)ethanol (CAS 773-99-9)
- H-Leu-Arg-OH (CAS 26607-15-8)
- Des-Lys16-Tirzepatide (CAS CATO-CPTD788957)
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