Creatinine,anhydrous, >=98%

Sodium cholate hydrate,BioXtra, >=99%

p-Coumaric acid,>=98.0% (HPLC)

?L-Dithiothreitol,>=98% (HPLC), >=99.0% (titration)

3-(Dimethylamino)benzoic acid,>=97% (HPLC)

1,3-Difluorobenzene,>=99%

2,2?-Bipyridyl,ReagentPlus, >=99%

Deoxycholic acid,>=98% (HPLC)

N,N-Dimethyl-p-phenylenediamine dihydrochloride,suitable for peroxidase test, >=99.0% (titration)

Denatonium benzoate,>=98%

5a-Cholestan-3B-ol,>=95%

Diethylenetriaminepentaacetic acid,>=99% (titration)