Mass-Labelled PCB Solution, 1.2ml x 20ng/ml, nonane Back Catalog number: PCB-IS-A20 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 2231.20-10-5AN Ochratoxin A, 10 µg/mL, Solvent-acetonitrile, Unit 5mL, # of units-1, Cas.no. 303-47-9 Price on request 10900.17-K-DS Promethazine hydrochloride,1000 µg base/mL,DMSO,1mL Price on request M312520 6a-Methyl Hydrocortisone 21-Acetate, 50mg Price on request