Heptachlor, 100 µg/ml, Ethyl acetate, 1ml Back Catalog number: 676691 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended S-4307-100-MEX5 Aromatic Acids Standard 2289,8 1,2-Benzenedicarboxylic acid (Phthalic acid) 2290,8 1,3-Benzenedicarboxylic acid (Isophthalic acid) 2291,8 1,4-Benzenedicarboxylic acid (Terephthalic acid) 2292,9 4-Methyl-1,2-benzenedicarboxylic acid (4-Me Price on request 12088.7-K-IO 2,6-Dichlorobenzo dichloride,1000 µg/mL,isooctane,1mL, Price on request 9758.20-100-IO Iso-pentyl benzyl phthalate (3-Methylbutyl benzyl phthalate), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 72170-46-8 Price on request