4-Hydroxyindole Back Catalog number: 10530.8-1G Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 8842.7-K-IO 2-n-Propylpyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. Price on request 50439 Arsenic (As) Price on request 11699.12-100-IO 2,3,4',6-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request