trans-Heptachlor epoxide, 50mg

F-BTEX ISTD Mixture 4 Analytes, each 2000 µg/mL in methanol; units: 1x 4.5mL, 1x10mL 2017.6 Fluorobenzene [462-06-6] 2018.7 2-Fluorotoluene

2,4'-DDE-d8 (dichloropropyl-d4), 100µg/mL in AL, 1ml

1,4-Dithiane, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 505-29-3