HEPES,>=99.5% (titration)

HEPES,BioPerformance Certified, >=99.5% (titration), suitable for cell culture

Methyl 4-hydroxybenzoate,ReagentPlus, >=99.0%, crystalline

Hexadecyltrimethylammonium bromide,>=98%

Hexadecyltrimethylammonium bromide,Molecular Biology, >=99%

Imidazole,ACS reagent, >=99% (titration)

Sodium dodecyl sulfate,BioReagent, suitable for electrophoresis, Molecular Biology, >=98.5% (GC)

Lanthanum(III) oxide,>=99.9%

Sodium dodecyl sulfate,ReagentPlus, >=98.5% (GC)

Lithium chloride,Molecular Biology, >=99%

Maleic acid,ReagentPlus, >=99% (HPLC)

?L-Malic acid,>=98% (capillary GC)