Eriochrome Blue Black R CAS 2538-85-4
Purity >65%In StockPharmaceutical Standards
| CAS No. | 2538-85-4 |
| Molecular Formula | C20H13N2O5S Na |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order Eriochrome Blue Black R (CAS 2538-85-4) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C20H13N2O5S Na. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C20H13N2O5S Na |
| Molecular Weight | 416.38 g/mol |
| Purity | >65% |
| 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) | 15.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Eriochrome Standards
Recommended Standards
- N-(2-Methoxy-6-methylphenyl)-5-phenylimidazo[1,5-a]pyrazin-8-amine (CAS 849199-80-0)
- 2,4-Dichloro-6-(trifluoromethyl)quinoline (CAS 852203-17-9)
- 3-Fluoro-6-((trifluoromethyl)thio)pyridazine (CAS 1206524-56-2)
- Hexanedioic acid, polymer with 2-ethyl-2-(hydroxymethyl)-1,3-propanediol, 1,6-hexanediol and 1,2-propanediol (CAS 26702-48-7)
- Methyl 1-(piperidin-3-yl)bicyclo[2.1.1]Hexane-5-carboxylate (CAS 2171901-33-8)
- 1-(3,5-Dichlorophenyl)butan-1-one (CAS 1268101-10-5)
- Semaglutide impurity 86 (CAS CATO-C4X-222686)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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