4,4',4'',4'''-((5,5'-(Carbonylbis(azanediyl))bis(isophthaloyl))tetrakis(azanediyl))tetrakis(benzene-1,3-disulfonic acid) CAS 389142-38-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 389142-38-5 |
| Molecular Formula | C41H32N6O29S8 |
| Molecular Weight | 1329.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,4',4'',4'''-((5,5'-(Carbonylbis(azanediyl))bis(isophthaloyl))tetrakis(azanediyl))tetrakis(benzene-1,3-disulfonic acid) (CAS 389142-38-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C41H32N6O29S8. Molecular weight: 1329.24 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C41H32N6O29S8 |
| Molecular Weight | 1329.24 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) | 29.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 6 |
| Sulfur Atoms | 8 |
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Recommended Standards
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