PCB Congeners Standard Back Catalog number: 94239 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S4176UNL-0.05 25-Hydroxyvitamin D2, 50μg/ml, 1ml Price on request 0408.30-150-CYX10 n-Triacontane, ?13C: -28.60, 150ug/ml, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. 638-68-6 Price on request 677644 Demeton-O, 10.0 µg/ml, Cyclohexane, 10ml Price on request