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 10586.36-100MG Cyclo-di-BADGE,neat,neat,100mg, Price on request S-4523-10-10T Deuterated Internal Standard - PAH Mixture 9 10µg/mL each in toluene, 10x1mL in ampoulles Benzo[a]pyrene-d12 Indenopyrene[1,2,3-cd]pyrene-d12 Price on request 10272.6-K-IO 2,3-Dimethyl-d6-pyrazine Price on request