4-Hydroxybenzoic acid, 1000µg/mL in MeOH, 1ml Back Catalog number: 2514.7-K-ME Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 2841.6-50-ME 1H,1H,2H,2H,3H,3H-Perfluorohexan-1-ol , 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 679-02-7 Price on request 52065 Spiking Standard 2 Price on request 3659.6-50-IO 1,4-Dibromobenzene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 106-37-6 Price on request