(-)-delta-9-THC-acid-13C4 Back Catalog number: 10396.21-50-ME Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 71066 Thianaphthene Price on request 19062 EPA Method 525 - PAH Standard Price on request 682052 Fumonisin B1, 50 µg/ml, Acetonitrile/Water, 5ml Price on request