Levonorgestrel, 100µg/mL in Acetonitrile, 1ml Back Catalog number: A14629760AL-100 Availability: In the manufacturer's stock Price on request - + Recommended 2427.6-K-IP 4-Bromophenol-2,3,5,6-d4,1000 µg/mL,isopropanol,1mL, Price on request S-4282 Internal Standard for GC-analysis of PAH compounds II S-4282 Compound Prod.no. Batch no. Purity CAS no. Grav. conc. 2,2'-Binaphthyl 0254,20 2951 99.9 % 612-78 Price on request 685286 D12-Benzo[a]pyrene, 100 µg/ml, Acetonitrile, 1ml Price on request