Internal Standard for AB SIM Back Catalog number: 94516 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0140.16-K-IO 3,3',5,5'-Tetramethylbiphenyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 25570-02-9 Price on request 9431.21-100-AN cis-Permethrin Price on request C10060100 Alachlor D13 (2,6-diethylphenyl D13), 10mg Price on request