Chlormequat-1,1,2,2-d4 chloride, 1000µg/ml in MeOH, 1ml

Fentanyl impurity A, 25mg

cis-4-(2-Hydroxyphenyl)-2-oxobut-3-enoic acid, Please inquire, Solvent-, Unit , # of units-, Cas.no. 31966-72-0

3,4-Diaminobiphenyl 2HCl, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 471238-97-8