PCB No. 123, 10µg/ml in Isooctane, 10ml Back Catalog number: L20012300IO Availability: In the manufacturer's stock Price on request - + Recommended BR-PFNA Perfluorononanoic acid with branched isomers, 50µg/ml in MeOH, 1,2ml Price on request 678241 4-Epichlortetracycline hydrochloride, 5mg Price on request 92575 EPA Method 8240B - Purgeable Internal Standard Price on request