Chloroform-d,"100%", 99.95 atom % D

?L-Tryptophan,>=99% (HPLC)

Zinc sulfate heptahydrate,>=99.95% trace metals basis

Cesium carbonate,puriss. p.a., >=99.0%

Selenium,powder, -100 mesh, >=99.5% trace metals basis

D-(+)-Cellobiose,>=99.0%, suitable for microbiology, Reducing sugar disaccharide

Zinc iodide,>=98%

Quinine hydrochloride dihydrate,BioReagent, suitable for fluorescence, >=98.0% (NT)

Chloral hydrate,crystallized, >=98.0% (T)

Chloramine T trihydrate,purum p.a., for the detection of halogens and bromate, >=98.0% (RT)

Bisphenol A,>=99%

Succinic anhydride,>=99% (GC)