(-)-delta-9-Tetrahydrocannabinol-C3, 10.0 µg/ml,

EPA Method 8240A Calibration Check Compounds

Ribitol-1,2,3,4,5-13C5, 5mg

Diltiazem hydrochloride, neat, Solvent-neat, Unit 500mg, # of units-1, Cas.no. 33286-22-5