Medical Marijuana Heavy Metals Calibration Back Catalog number: 50712 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0145.18-500-IO 1-Phenyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 104353-06-2 Price on request MCDE-61 2,3,4,5-Tetrachloro[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane Price on request 51194 Biodiesel - B5 Blend Price on request