Guanylurea, 1000µg/ml in Water, 1ml Back Catalog number: 74085 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0297.19-200-T 6-Methylchrysene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 1705-85-7 Price on request M4H187 2,2',3,4',5,5',6-Heptachloro-4-[13C12]biphenylol, 1.2ml x 50ug/ml, toluene Price on request 674590 Fenthion-sulfone, 10.0 µg/ml, Acetonitrile, 10ml Price on request