Ponceau S
Ponceau S (Acid Red 112) is the most commonly used stain for Western blotting binding with antibody-antigen, and stains the proteins on the membrane red.
Product Specifications
CAS Number
6226-79-5
Product Name Alternative
Acid Red 112 | Ponceau S Staining Solution
Purity
>98% (HPLC)
Solubility
H2O:35 mg/mL (46.01 mM; Need ultrasonic)
Smiles
O=C (C (S ([O-]) (=O) =O) =C1) /C (C (C1=C2) =CC=C2S ([O-]) (=O) =O) =N/NC (C (S ([O-]) (=O) =O) =C3) =CC=C3/N=N/C (C=C4) =CC=C4S ([O-]) (=O) =O.[Na+].[Na+].[Na+].[Na+]
Molecular Formula
C22H12N4Na4O13S4
Molecular Weight
760.57
Storage Conditions
Storage temperature: -20°C. Stability: ≥ 2 years
Notes
For research use only.
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