25641-18-3 Azocarmine G Benzo(a)phenazinium, 7-phenylsulfo-5-((4-sulfophenyl)amino)-, hydroxide, inner salt, monosodium salt Hydrogen 7-phenylsulphonato-5-((4-sulphonatophenyl)amino)benzo(a)phenazinium, sodium salt Benzo(a)phenazinium, 7-phenylsulfo-5-((4-sulfophenyl)amino)-, inner salt, sodium salt (1:1) Benzo(a)phenazinium, 7-phenylsulfo-5-((4-sulfophenyl)amino)-, inner salt, monosodium salt EINECS 247-157-3 CAS 25641-18-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 25641-18-3 |
| Molecular Formula | C28H47N3O6S2 Na |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 25641-18-3 Azocarmine G Benzo(a)phenazinium, 7-phenylsulfo-5-((4-sulfophenyl)amino)-, hydroxide, inner salt, monosodium salt Hydrogen 7-phenylsulphonato-5-((4-sulphonatophenyl)amino)benzo(a)phenazinium, sodium salt Benzo(a)phenazinium, 7-phenylsulfo-5-((4-sulfophenyl)amino)-, inner salt, sodium salt (1:1) Benzo(a)phenazinium, 7-phenylsulfo-5-((4-sulfophenyl)amino)-, inner salt, monosodium salt EINECS 247-157-3 (CAS 25641-18-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C28H47N3O6S2 Na. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C28H47N3O6S2 Na |
| Molecular Weight | 608.81 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
Recommended Standards
- 3-(1H-Benzo[d]imidazol-2-yl)-[1,2,4]triazino[4,3-b]indazol-4-amine (CAS 61884-83-1)
- N,N-Dimethyl-1-[(2S)-pyrrolidin-2-yl]methanamine hydrochloride (CAS 1152113-36-4)
- 1-(2,3-Dichloropyridin-4-yl)ethan-1-one (CAS 1196157-52-4)
- 3-(4-Bromothiophen-2-yl)propanal (CAS 1247380-57-9)
- 8-Phenylimidazo[1,2-a]pyridine (CAS 104271-33-2)
- Ibrutinib Impurity 44 (CAS 2031255-26-0)
- Delta-Sleep Inducing Peptide (CAS 62568-57-4)
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