α-Carotene analytical standard

α-Carotene ≥95.0% (HPLC)

α-Casein from bovine milk ≥70% αₛ-casein basis (electrophoresis), lyophilized powder

α-Cellulose BioReagent, suitable for insect cell culture

α-Cellulose powder

α-Cetone odorant used in allergy studies

α-Chaconine phyproof® Reference Substance

α-Chloralose ≥98.0% (chloralose, AT)

α-Chymotrypsin from bovine pancreas (TLCK treated to inactivate residual tryspin activity), Type VII, essentially salt-free, lyophilized powder, ≥40 units/mg protein

α-Chymotrypsin from bovine pancreas suitable for protein sequencing, salt-free, lyophilized powder

α-Chymotrypsin from bovine pancreas Type I-S, essentially salt-free, lyophilized powder

α-Chymotrypsin from bovine pancreas Type II, lyophilized powder, ≥40 units/mg protein

α-Chymotrypsinogen A from bovine pancreas essentially salt-free, lyophilized powder

α-Cryptoxanthin ≥90.0% (HPLC)

α-Cyano-4-hydroxycinnamic acid 97%

α-Cyano-4-hydroxycinnamic acid 99%

α-Cyano-4-hydroxycinnamic acid suitable for MALDI-TOF MS

α-Cyano-4-hydroxycinnamic acid suitable for matrix substance for MALDI-MS, Ultra pure

α-Cyano-4-hydroxycinnamic acid suitable for matrix substance for MALDI-MS, ≥99.0% (HPLC)

α-Cyano-4-hydroxycinnamic acid ≥98% (TLC), powder

α-Cyclodextrin powder, BioReagent, suitable for cell culture, ≥98%

α-Cyclodextrin purum, ≥98.0% (HPLC)

α-Cyclodextrin Wacker Chemie AG, 98.0-101.0% cyclodextrin basis (HPLC)

α-Cyclodextrin Wacker Chemie AG, ≥98.0% (HPLC)

α-Cyclodextrin ≥98%

α-Cypermethrin PESTANAL®, analytical standard

α-Cyperone phyproof® Reference Substance

α-Damascone analytical standard

α-Ecdysone ≥90%

α-Estradiol powder, ≥98% (TLC)

α-Estradiol VETRANAL®, analytical standard

α-Galactosidase from green coffee beans ammonium sulfate suspension, ≥9 units/mg protein

α-Galactosidase, positionally specific from Escherichia coli recombinant, expressed in E. coli, buffered aqueous solution

α-Glucosidase Activity Assay Kit sufficient for 100 colorimetric tests

α-Glucosidase Assay suitable for activity assay, kit of 1 (5 components)

α-Glucosidase from Bacillus stearothermophilus lyophilized powder, ≥50 units/mg protein

α-Glucosidase from rice Type V, ammonium sulfate suspension, 40-80 units/mg protein

α-Glucosidase from Saccharomyces cerevisiae Type I, lyophilized powder, ≥10 units/mg protein (using p-nitrophenyl α-ᴅ-glucoside as substrate.)

α-Glycerophosphate Dehydrogenase from rabbit muscle Type I, ammonium sulfate suspension, 100-300 units/mg protein

α-Glycerophosphate Dehydrogenase-Triosephosphate Isomerase from rabbit muscle Type III, ammonium sulfate suspension

α-Hederin phyproof® Reference Substance

α-Hemolysin from Staphylococcus aureus lyophilized powder, Protein ~60 % by Lowry, ≥10,000 units/mg protein

α-Hexylcinnamaldehyde analytical standard

α-Humulene phyproof® Reference Substance

α-Hydroxy-γ-butyrolactone technical grade