Imidazole,>=99% (titration), crystalline

L-Isoleucine,reagent grade, >=98% (HPLC)

Indium(III) acetylacetonate,>=99.99% trace metals basis

Inosine,>=99% (HPLC)

Invertase from baker’s yeast (S. cerevisiae),Grade VII, >=300 units/mg solid

Imidazole,Molecular Biology, >=99% (titration)

Iodoacetamide,>=99% (NMR), crystalline

IPTG,>=99% (TLC), ?0.1% Dioxane

5-Iodo-2?-deoxyuridine,>=99% (HPLC)

Imipramine hydrochloride,>=99% (TLC)

Ketoprofen,>=98% (TLC)

a-Ketoglutaric acid sodium salt,>=98% (titration)