Stilbazo CAS 1571-36-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1571-36-4 |
| Molecular Formula | C26H20N4O10S2 2*H3N |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Stilbazo (CAS 1571-36-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C26H20N4O10S2 2*H3N. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C26H20N4O10S2 2*H3N |
| Molecular Weight | 629.62 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) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 2 |
Recommended Standards
- 7-Bromo-2-hydrazinylquinoxaline (CAS 145369-92-2)
- tert-Butyl 1H-pyrazolo[4,3-c]pyridine-3-carboxylate (CAS 2140305-56-0)
- 3-Bromo-5-(chlorosulfonyl)-4-fluorobenzoic acid (CAS 869529-35-1)
- Ethyl 1-(3-methylbut-2-enoyl)piperidine-3-carboxylate (CAS 1156430-76-0)
- Isavuconazole Impurity 9 (CAS CATO-C4X-12369)
- (S)-2-Hydroxytetrahydro-1H-pyrrolo[1,2-c]imidazole-1,3(2H)-dione (CAS 140160-63-0)
- Semaglutide Impurity 188 (CAS CATO-C4X-2226188)
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