Perchlorate Level 5 Back Catalog number: 59343 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1147.27-K-IO n-Heptacosane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 593-49-7 Price on request 1344.12-K-IO 2,6-Dimethylnaphthalene-d12, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 350820-12-1 Price on request 52308 LPC Solution 3 Price on request