Mass-Labelled PCB Syringe Spike Solution, 1.2ml, nonane Back Catalog number: PCB-IS-C Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended N-13618-50MG trans-Heptachlor epoxide, 50mg Price on request 2621.32-10UG 17ß(H),21ß(H)-(22RS)-Bishomohopane , neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 54311-28-5 Price on request 0628.18-K-IO 2,6,10-Trimethylpentadecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 3892-00-0 Price on request