PCB No. 21, 100µg/ml in Isooctane, 1ml Back Catalog number: 66021 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10113 EPA Method 617/8080/8250/8270 - Analytes Price on request 9523.10-K-IO 1,4-Naphthoquinone-d6, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 26473-08-5 Price on request 680519 Flumorph, 25mg Price on request