3,3',4,4'-Tetrachlorobiphenyl, neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. 32598-13-3

4-Bromophenol-2,3,5,6-d4,neat,neat,1mL,

trans-Nonachlor, 10mg

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