Disperse Rosé R3L CAS 81-68-5
Purity >95%In StockPharmaceutical Standards
| CAS No. | 81-68-5 |
| Molecular Formula | C22H18N2O5S |
| Molecular Weight | 422.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Disperse Rosé R3L (CAS 81-68-5) pharmaceutical standards reference standard. Molecular formula: C22H18N2O5S. Molecular weight: 422.45 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C22H18N2O5S |
| Molecular Weight | 422.45 g/mol |
| Purity | >95% |
| 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.) | 1957 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
- Bumetanide Impurity 60 (CAS CATO-C4X-198660)
- HS-173 (CAS 1276110-06-5)
- Bumetanide Impurity 131 (CAS CATO-C4X-1986131)
- 4,4'-Diselanediyldibenzaldehyde (CAS 1235774-35-2)
- 1-(4-(3,5-Dimethyl-1H-pyrazol-1-yl)phenyl)ethan-1-one (CAS 153813-15-1)
- tert-Butyl (4-amino-2-methylbutyl)carbamate (CAS 92564-71-1)
- 1-[(3-fluorophenyl)methyl]-5-methyl-1h-1,2,3-triazol-4-amine (CAS 1507906-31-1)
- 3-Cyanobenzylzinc bromide 0.5 M in Tetrahydrofuran (CAS 117269-72-4)
- N2,N6-Di(pyridin-3-yl)pyridine-2,6-dicarboxamide (CAS 184870-07-3)
- Semaglutide impound 212 (CAS CATO-C4X-2226212)
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