Acid Alizarin Red B CAS 1836-22-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1836-22-2 |
| Molecular Formula | C17H9N2Na3O9S2 |
| Molecular Weight | 518.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Acid Alizarin Red B (CAS 1836-22-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C17H9N2Na3O9S2. Molecular weight: 518.36 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C17H9N2Na3O9S2 |
| Molecular Weight | 518.36 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) | 14.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Related Acid Standards
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- Alizarin 1-methyl ether (CAS 6170-06-5)
- Alizarin (CAS 72-48-0)
- Acid Alizarin Blue BB (CAS 10114-40-6)
- Alizarin Red S (CAS 130-22-3)
- Alizarin Blue Black B (CAS 1324-21-6)
- Alizarin Yellow R, Sodium Salt (CAS 1718-34-9)
Recommended Standards
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