Clavulanic acid potassium salt, 1000µg/ml in Acetonitrile, 1ml

Metformin-d6-HCl, 100μg/ml in MeOH, 5ml

7,9-Dimethylbenz[c]acridine, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 963-89-3

4 Deuterated Compounds Internal Standard Mix 4 Analytes, each Wt.% as listed; units: 1x10mL, 5x10mL neat Name Wt.% Name Wt.% Benzene-d6 16.7 Naphthalene-d8 8.8 Ethylbenzene-d10 16.5 Toluene