17ß(H),21ß(H)-30-Norhopane, 5µg Back Catalog number: 2640.29-5UG Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 9016.4-K-DC N-Nitrosopyrrolidine-d8, 1000µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 1219802-09-1 Price on request 9188.22-100-ME Propoxyphene-d5 hydrochloride, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. Price on request A30000064MW Ultrashort-chain-PFAS (C1-C4) Mixture, 50µg/mL in MeOH:Water, 1ml Price on request