Patent Blue V CAS 20262-76-4
Purity >85%In StockPharmaceutical Standards
| CAS No. | 20262-76-4 |
| Molecular Formula | C27H31N2O7S2 Na |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Patent Blue V (CAS 20262-76-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C27H31N2O7S2 Na. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C27H31N2O7S2 Na |
| Molecular Weight | 582.66 g/mol |
| Purity | >85% |
| 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) | 13.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Related Patent Standards
Recommended Standards
- Benzyl (E)-prop-1-en-1-ylcarbamate (CAS 260967-14-4)
- [4-(1,3-thiazol-4-yl)phenyl]methanamine (CAS 871721-40-3)
- (6-Morpholin-4-ylmethyl-pyridin-3-yl)-carbamic acid tert-butyl ester (CAS 1203486-73-0)
- 2-(1h-Imidazol-1-yl)isonicotinic acid (CAS 914637-28-8)
- Oseltamivir Impurity 155 (CAS CATO-C4X-1720155)
- 2-((4-Allyl-5-(4-(tert-butyl)phenyl)-4H-1,2,4-triazol-3-yl)thio)-N-(3-methoxyphenyl)acetamide (CAS 539812-48-1)
- Insulin Glulisine (CAS 207748-29-6)
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