2-Isobutyl-3-methoxypyrazine

EPA Method 507 Analyte Mix #8

(±)-Fipronil,100 µg/mL,MeOH,1mL,

Aromatics Calibration Standards Kit (3 Internal Standard Version) 24 Analytes + 3 ISTD, each Vol.% as listed in isooctane; units: 5x1mL Set, one of each Std. 1-5 + opt. 1x1mL (Std. 6) To these calibration standards are 3 deuterated Internal Standards