Internal Standard for AB SIM Back Catalog number: 94541 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended LA11457544CY Chloroparaffin C13 55.03% Cl, 10μg/mL in CY, 1ml Price on request 9071.6-K-IP 3,4,6-Trichlorocatechol , 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 32139-72-3 Price on request XA20830000AL Indeno[1,2,3-c,d]pyrene, 100µg/mL in Acetonitrile, 1ml Price on request