Base/Neutral Standard Back Catalog number: 93175 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2031.12-50-T 2,7-Dichlorodibenzo-p-dioxin, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 33857-26-0 Price on request 680014 Naptalam, 100 µg/ml, Acetonitrile, 1ml Price on request 0357.10-K-IO 3,5-Dimethylbenzothiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1964-45-0 Price on request