(-)-delta-9-THC-acid-13C4 Back Catalog number: 10396.21-50-ME Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 673647 Paraoxon-ethyl, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 0722.12-K-IO 1,3-Dimethylnaphthalene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 575-41-7 Price on request 674813 Bifenox, 100 µg/ml, Acetonitrile, 5ml Price on request