2,4-D,1000 µg/mL,MeOH,1mL,

Riboflavin, 250mg

2 alpha+2ß,17 alpha(H),21ß(H)-2-Methylhopane (ca 1:3), neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 126208-29-7/138057-81-5

ISO 9377-2 MOD Extraction Solvent Stock Solution II 40µg/mL of each Units: 1x100mL and 5x100mL extraction solvent stock solution n-Heptane 40mg n-Tetracontane 40mg Pentane Add to 1000mL