Aroclor 1221 Back Catalog number: 79403 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0954.10-K-IO 2,5-Dimethylbenzothiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 16587-48-7 Price on request 19394 EPA Method 8021B Internal Standard Price on request R100300 Raltegravir, 50mg Price on request