PCB Congeners Back Catalog number: 94990 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71036 2-Methyl-1,3-dioxolane Price on request 96818 Carbamates LC Standard Price on request 681499 Doxycycline hyclate, 100 µg/ml, Methanol, 1ml Price on request