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 3870.7-1ML Benzaldehyde, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 100-52-7 Price on request 71636 3-Methyl-2-butanol Price on request 59317 Phenol Price on request