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 2915.12-25MG Dansylchloride-d6, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. Price on request 11676.12-100-IO 2,3',4-Trichlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 3571.10-K-IO 7-Methylquinoline, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 612-60-2 Price on request