Coomassie® brilliant blue R-250, OmniPur®

Supplier: MilliporeSigma

Synonyms: Brillant blue R , N-[4-[[4-[(4-Ethoxyphenyl)amino]phenyl][4-[ethyl[(3-sulfophenyl)methyl]amino]phenyl]methylene]-2,5-cyclohexadien-1-ylidene]-N-ethyl-3-sulfo-benzenemethanaminium inner salt, sodium salt (1:1) , Brilliant Blue R250 , Brilliant indocyanine 6B , Brilliant Blue R , Serva Blue R , N-[4-[[4-[(4-Ethoxyphenyl)amino]phenyl][4-[ethyl[(3-sulphophenyl)methyl]amino]phenyl]methylene]-2,5-cyclohexadien-1-ylidene]-N-ethyl-3-sulpho-benzenemethanaminium inner salt, sodium salt (1:1) , Hydrogen [4-[4-(p-ethoxyanilino)-4'-[ethyl(m-sulfonatobenzyl)amino]benzhydrylene]cyclohexa-2,5-dien-1-ylidene](ethyl)(m-sulfonatobenzyl)ammonium monosodium salt , Coomassie Blue R 250 , Hydrogen [4-[4-(p-ethoxyanilino)-4'-[ethyl(m-sulphonatobenzyl)amino]benzhydrylene]cyclohexa-2,5-dien-1-ylidene](ethyl)(m-sulphonatobenzyl)ammonium monosodium salt , Acid Blue 83 , Brilliant Cyanine 6B

3340-25GM 3345-250GM 3340-25GM

CAEM3345EA 2337.17 CAD

CAEM3345 CA-EM3340 EM-3340

Coomassie® brilliant blue R-250, OmniPur®

Coomassie® Brilliant Blue R-250

Powder. Use for post-electrophoresis staining of proteins in applications requiring a high degree of sensitivity and/or solubility.

Formula: C₄₅H₄₄N₃NaO₇S₂
MW: 825.98 g/mol
Melting Pt: 174…180 °C

MDL Number: MFCD00041762
CAS Number: 6104-59-2

Specification Test Results

Appearance	Blue to red crystalline powder
Molar absorptivity Em (550 nm, water, dry basis)	33000 min

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