Ethynylestradiol (20,21-13C2,99%) 100 µg/mL in Acetonitrile, 1,2ml Back Catalog number: CLM-3375-1.2 Availability: In the manufacturer's stock Price on request - + Recommended 70016 Aroclor 1221 Price on request 8554.12-K-IOX5 Tetra-n-propyltin-d7 (mono-n-propyl-d7), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. Price on request S683325 Spirotetramat Metabolite BYI08330-cis-enol, 10mg Price on request