Putrescine dihydrochloride,>=98% (TLC)

Pyridoxine hydrochloride,>=98% (HPLC)

(-)-Riboflavin,from Eremothecium ashbyii, >=98%

Rhodamine B,>=95% (HPLC)

D-(-)-Ribose,>=99% (GC)

(-)-Riboflavin,BioReagent, suitable for cell culture, suitable for insect cell culture, >=98%

D-(-)-Salicin,>=99% (GC)

Sodium azide,ReagentPlus, >=99.5%

D-Serine,>=98% (TLC)

D-Serine,>=98% (TLC)

Sodium citrate tribasic dihydrate,ACS reagent, >=99.0%

Stearic acid,Grade I, >=98.5% (capillary GC)