di C6-8 branched C7 rich phthalate

3ß,17 alpha(H),21ß(H)-3-Methylhopane, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 126254-83-9

N,N-Dimethylsulfamide, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 3984-14-3

4,4'-DDT 13C12, 100µg/mL in Acetone, 1ml