Clarithromycin, >98%, 1g Back Catalog number: C2220 Availability: In the manufacturer's stock Price on request - + Recommended 70385 Ethylenethiourea, 1000µg/ml in Ethylacetate, 1ml Price on request S-4053-20K-10T Thiophene in Toluene Units: 5x1mL ampoule, 1x10mL screw-capped bottle Chiron No. Concentration µgS/g (ppm) Wt.% S-4053-0 Blank 0 S-4053-K 1 000 0.1000 S-4053-2.5K 2 500 0.2500 S-4053-5K Price on request S-4433-SET-2 Calibration Standard PAH IV (Set 5,10,20,40,80,100,200µg/mL) Naphthalene Benzo[b]fluoranthene Benzo[k]fluoranthene 1-Methylnaphthalene Benzo[a]pyrene 2-Methylnaphthalene Benzo[e]pyrene Perylene Acenaphthylene Indeno[1,2,3-cd]pyrene Dibenzofuran Di Price on request