Paraben-Mix 1, 100 µg/ml, Methanol, 5ml Back Catalog number: 681454 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 679543 Cephacetrile, 10mg Price on request S-4056-250-MXX5 Thiophene/2-Methylthiophene (2:1) in isooctane/Toluene(3:1); Units: 5x1mL ampoules, 1x10mL screw-capped bottle Chiron No. Concentration µgS/g (ppm) Wt.% S-4056-0 Blank 0 S-4056-5 5 Price on request 3520.10-100 Trichloronate, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 327-98-0 Price on request