Fig. 1 · Structure
Documents & Downloads
Ponceau S
Protein Staining Agent
Ponceau S (Acid Red 112) is a non-specific protein staining agent primarily used for visualizing proteins in Western blotting applications. It operates in an acidic aqueous solution, ensuring compatibility with antibody-antigen interactions while effectively staining proteins red on membranes. Ponceau S facilitates the assessment of protein transfer and quantification, making it a valuable tool in various biochemical research settings.
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Specifications
| Manufacturer | Adooq Bioscience |
|---|---|
| CAS Number | 6226-79-5 |
| Applications | Protein Staining Agent |
| Formula | C22H12N4Na4O13S4 |
| Molecular Weight | 760.57 |
| Synonyms | Acid Red 112 |
| SMILES | O=S(C1=C(O)C(/N=N/C2=CC=C(/N=N/C3=CC=C(S(=O)(O[Na])=O)C=C3)C=C2S(=O)(O[Na])=O)=C4C=CC(S(=O)(O[Na])=O)=CC4=C1)(O[Na])=O |
Storage & Solubility
In Vitro Solubility
Reported Solubility
No reported solubility data are available for this product.
Preparing Stock Solutions
| Concentration | |
|---|---|
Values use four significant digits. Prepare to the final solution volume; this is not the volume of solvent to add.
Stock preparation is unavailable for this product molecular weight.
Calculated stock concentrations do not establish solvent solubility. Refer to the reported solubility data for experimental guidance.
Storage
Store powder at -20°C, keep desiccated.
In powder form, the chemical is stable for 36 months.
In solution, store at -20°C and use within 1 month to prevent loss of potency. Aliquot to avoid multiple freeze/thaw cycles.