Reactive Blue 5 CAS 16823-51-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 16823-51-1 |
| Molecular Formula | C29H20ClN7O11S3 |
| Molecular Weight | 774.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Reactive Blue 5 (CAS 16823-51-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C29H20ClN7O11S3. Molecular weight: 774.16 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C29H20ClN7O11S3 |
| Molecular Weight | 774.16 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 23.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 7 |
| Sulfur Atoms | 3 |
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