2-(5-Bromo-2-pyridylazo)-5-[N-propyl-N-(3-sulfopropyl)amino]phenol disodium salt dihydrate, for spectrophotometric det. of Zn(II), Cu(II), Fe(II), Co(II), H2O2, >=95.0%

Collagenase from Clostridium histolyticum, lyophilized powder, >=125 CDU/mg solid (CDU = collagen digestion units), 0.5-5.0 FALGPA units/mg solid

Collagenase from Clostridium histolyticum, release of physiologically active rat hepatocytes tested, Type IV, 0.5-5.0 FALGPA units/mg solid, >=125 CDU/mg solid

Collagenase from Clostridium histolyticum, release of physiologically active rat epididymal adipocytes tested, Type II, 0.5-5.0 FALGPA units/mg solid, >=125 CDU/mg solid

Collagenase from Clostridium histolyticum, release of physiologically active rat pancreatic islets tested, Type V, >=1 FALGPA units/mg solid, >125 CDU/mg solid

Collagenase from Clostridium histolyticum, powder, Suitable for the digestion and isolation of physiologically active pancreatic islet cells, suitable for cell culture

Gramicidin from Bacillus aneurinolyticus (Bacillus brevis), Linear polypeptide antibiotic complex. A mixture of gramicidins A, B, C, and D.

Insulin from bovine pancreas, gamma-irradiated, BioXtra, suitable for cell culture, potency: >=20 units/mg (USP units), lyophilized powder

Thiazolyl Blue Tetrazolium Bromide, powder, BioReagent, suitable for cell culture, suitable for insect cell culture, >=97.5% (HPLC)

Ethalfluralin certified reference material, TraceCERT®

Dansyl chloride, for HPLC derivatization, LiChropur(TM), >=99.0% (HPLC)

Nepsilon-Methyl-L-lysine hydrochloride, >=98.0% (TLC)