5F-APINACA N-(4-hydroxypentyl) metabolite Back Catalog number: 10753.23-10MG Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended S-4143-KIT-6X1ML Low level Nitrogen & Sulfur Calibration Set Units: 1x1mL ampoules or 10mL screwcapped bottle Nitrogen introduced using Aniline / Sulfur introduced using di-n-Butyl Sulfide Catalogue No. Concentration Matrix: Benzene mg/kg (ppm) S-4143-0 Price on request 673771 Cyanazine, 100 µg/ml, Ethyl acetate, 5ml Price on request 70450 Pentachloroethane Price on request