24R,25-Dihydroxyvitamin D3, 100μg/ml, 1ml

2,3,3',4',5,6-Hexachlorobiphenyl

ISO 9377-2MOD Extraction Solvent Stock Solution I 20ul of n-Heptane and 20mg of n-Tetracontane solved in 1000ml n-Pentane

Direct Blue 6, 1g