4,4'-(Diazene-1,2-diyl)bis(3-hydroxynaphthalene-2,7-disulfonic acid) CAS 76877-41-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 76877-41-3 |
| Molecular Formula | C20H14N2O14S4 |
| Molecular Weight | 634.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4,4'-(Diazene-1,2-diyl)bis(3-hydroxynaphthalene-2,7-disulfonic acid) (CAS 76877-41-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C20H14N2O14S4. Molecular weight: 634.59 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C20H14N2O14S4 |
| Molecular Weight | 634.59 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 4 |
Related Diazene Standards
- Diazene, 1,2-bis[4-(4-bromobutoxy)phenyl]- (CAS 222046-22-2)
- 5,5'-(Diazene-1,2-diyl)bis(benzene-1,2,3-tricarboxylic acid) (CAS 1236108-27-2)
- 4',4'''-(Diazene-1,2-diyl)bis(([1,1'-biphenyl]-4-carboxylicacid)) (CAS 148-85-6)
- 4,4'-(Diazene-1,2-diyl)bis(3-aminobenzenesulfonic acid) (CAS 681464-70-0)
- 4,4'-(Diazene-1,2-diyl)diphthalic acid (CAS 21278-45-5)
- (E)-4,4'-(diazene-1,2-diyl)bis(2,6-dichlorophenol) (CAS 92050-15-2)
- 4,4'-(Diazene-1,2-diyl)dibenzenesulfonic acid (CAS 2779-21-7)
- (E)-4,4'-(Diazene-1,2-diyl)bis(3,5-difluorobenzoic acid) (CAS 1661863-04-2)
Recommended Standards
- 2-(8-Chloroperfluorooctyloxy)tetrafluoroethanesulfonyl Fluoride (Technical Grade) (CAS 73606-15-2)
- Fmoc-Lys(Boc)-OPfp (CAS 86060-98-2)
- Perfluorophenyl N2-(((9H-fluoren-9-yl)methoxy)carbonyl)-N6-(tert-butoxycarbonyl)-D-lysinate (CAS 133083-36-0)
- Boc-Cys(Bzl)-OSu (CAS 3401-33-0)
- 2,3-Dibromobenzofuran (CAS 64150-61-4)
- 5-Methoxy-6-methylindole (CAS 3139-10-4)
- (2-methoxy-5-methylphenyl)methanamine (CAS 7383-12-2)
- (3S)-3-(5-amino-1-oxo-isoindolin-2-yl)piperidine-2,6-dione (CAS 1418209-90-1)
- tert-Butyl (S)-3-((pyridin-4-ylmethyl)amino)piperidine-1-carboxylate (CAS 1217722-00-3)
- Semaglutide impurity 233 (CAS CATO-C4X-2226233)
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