Perchlorate Level 2 Back Catalog number: 59340 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3751.6-K-IO 1,2,3,5-Tetrachlorobenzene, 1000µg/mLin Isooctane, 1ml Price on request 1020.16-K-IOX5 n-Hexadecane-d34, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 15716-08-2 Price on request 0677.27-100-IO 3, 5-Cyclocholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 17132-01-3 Price on request