tert-Dodecylmercaptan, mixture of isomers

2,2',4,4'-Tetrachlorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2437-79-8

Desfuroyl Ceftiofur Cysteine Disulfide (Contain 5% Ceftiofur), 1mg

Standard Solution for TLC, ISO 12228 2 Analytes, each concentration as listed in acetone; unit: 1x1mL 2900.27 Cholesterol 1mg/mL 1583.30 Betulin 5mg/mL Silylating agent 3916.8-1ML N-methyl-N-(trimethylsilyl)-heptafluorobutyramide (M