Ponceau S (sodium salt)

A protein stain

6226-79-5

Sodium 3-hydroxy-4- ((E) - (2-sulfonato-4- ((E) - (4-sulfonatophenyl) diazenyl) phenyl) diazenyl) naphthalene-2,7-disulfonate

Acid Red 112

0.98

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 (C=C (S (=O) (O[Na]) =O) C=C4) =C1) (O[Na]) =O

C22H12N4Na4O13S4

760.57

Store at RT

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