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Solubility & Handling Storage instructions Room temperature
Solubility overview Soluble in water (1 mg/ml)
Storage of solutions Prepare and use solutions on the same day if possible. Store solutions at -20°C for up to one month if storage is required. Equilibrate to RT and ensure the solution is precipitate free before use.
Shipping Conditions Stable for ambient temperature shipping. Follow storage instructions on receipt.
Important This product is for RESEARCH USE ONLY and is not intended for therapeutic or diagnostic use. Not for human or veterinary use
Chemical Data Chemical name 3-Hydroxy-4-[2-[2-sulfo-4-[2-(4-sulfophenyl)diazenyl]phenyl]diazenyl]-2,7-naphthalenedisulfonic acid tetrasodium salt
Molecular Formula C22 H12 N4 Na4 O13 S4
PubChem identifier 11320219
SMILES C1=CC(=CC=C1N=NC2=CC(=C(C=C2)N/N=C\3/C4=C(C=C(C=C4)S(=O)(=O)[O-])C=C(C3=O)S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+].[Na+]
InChiKey VSXKEUCERCWGKF-STNZDNLRSA-J
References for Ponceau S sodium salt References are publications that support the biological activity of the product
Detection of Proteins on Blot Membranes Goldman A et al (2016) Curr Protoc Protein Sci 86 : 10 Staining membrane-bound proteins with ponceau s Stochaj WR et al (2006) CSH Protoc 2006 : (5) Protein determination by ponceau S using digital color image analysis of protein spots on nitrocellulose membranes Bannur SV et al (1999) Anal Biochem 267(2) : 382-9
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Detects protein bands after western blotting