Rose Bengal CAS 632-69-9
Purity >65%In StockPharmaceutical Standards
| CAS No. | 632-69-9 |
| Molecular Formula | C20H2Cl4I4O5 2*Na |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Rose Bengal (CAS 632-69-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C20H2Cl4I4O5 2*Na. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C20H2Cl4I4O5 2*Na |
| Molecular Weight | 994.62 g/mol |
| Purity | >65% |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl/I-containing |
Related Rose Standards
Recommended Standards
- 4-Phenylthiophene-2-carbonyl chloride (CAS 683274-48-8)
- 1,1-Diphenylpropane-1,2-diol (CAS 52183-00-3)
- Methyl 7-amino-3-phenylpyrazolo[1,5-a]pyrimidine-6-carboxylate (CAS 1324061-25-7)
- 2-{[Cyclohexyl(ethyl)amino]methyl}-4-fluoroaniline (CAS 1154634-37-3)
- 5-Amino-1h-indazole-3-carboxamide (CAS 1249631-73-9)
- 2-(4-Methoxyphenyl)-1-methyl-1H-indole-3-carbaldehyde (CAS 61843-47-8)
- D-[Thr]5-Semaglutide (CAS CATO-C4X-2226245)
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