Ponceau S

SKU: orb1704216

Description

Ponceau S (Acid Red 112) is an azo dye routinely employed for the reversible staining of proteins on nitrocellulose or PVDF membranes in western and spot blotting assays. It enables rapid visual assessment of total protein transfer and loading prior to immunodetection in various in vitro research applications.

Key Properties

• Target: Others
• Molecular Weight: 760.57
• Purity: 99.52% (May vary between batches)
• CAS Number: 6226-79-5
• Formula: C₂₂H₁₂N₄Na₄O₁₃S₄
• SMILES: [Na+].[Na+].[Na+].[Na+].Oc1c(cc2cc(ccc2c1\N=N\c1ccc(cc1S([O-])(=O)=O)\N=N\c1ccc(cc1)S([O-])(=O)=O)S([O-])(=O)=O)S([O-])(=O)=O

Storage & Handling

• Storage: -20°C
• Expiration Date: 12 months from date of receipt.
• Disclaimer: For research use only

Compound Identifiers

PubChem CID

2723873