Perchlorate Level 1 Back Catalog number: 59339 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0020.26-10UG (6)Helicene, racemic mixture of two enantiomers, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 187-83-7 Price on request 70292 1,1,2-Trichloroethane Price on request 3515.6-100 Thiram, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 137-26-8 Price on request