HEPES,>=99.5% (titration)

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

Hexadecyltrimethylammonium bromide,>=98%

HEPES,BioXtra, suitable for mouse embryo cell culture, >=99.5% (titration)

Hexadecyltrimethylammonium bromide,Molecular Biology, >=99%

L-Histidine,ReagentPlus, >=99% (TLC)

L-Histidine monohydrochloride monohydrate,>=98% (HPLC)

Hydroquinone,ReagentPlus, >=99%

Hemin,from bovine, >=90%

Hexadecyltrimethylammonium bromide,BioXtra, >=99%

4-Hydroxybenzhydrazide,>=97%

Ibuprofen sodium salt,>=98% (GC)