Heptachlor expoxide isomer B solution 100μg/ml, U(%)=4 Matrix: petroleum ether 1024-57-3 C₁₀H₅Cl₇O 389.32 g./mol ฿1,590.00 View
Parathion-methyl solution 10ng/uL, U(%)=2, medium: absolute ethanol 298-00-0 C₈H₁₀NO₅PS 263.21 g./mol ฿1,580.00 View