CWA Iron Back Catalog number: 55311 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0951.9-K-IO 7-Methylbenzothiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 14315-15-2 Price on request 10631.12-50-NN 1,2,3,7,8-Pentabromodibenzofuran,50 µg/mL,n-nonane,1mL, Price on request 2730.27-10MG 5ß(H)-Cholestan-3 alpha-ol, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 516-92-7 Price on request