Isoprene Back Catalog number: 34521 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2128.12-100-IO Arochlor 1254, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 11097-69-1 Price on request 0888.13-500-IO 2-Methyldiphenylsulfide, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 13963-35-4 Price on request 93927 Semi-Volatile Surrogate Standard Price on request