WS Disinfection By-Products - Cal Check 4 Back Catalog number: 93986 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4532-025-AN MIX 5 Aflatoxins mixture AFB1+AFG1;AFB2+AFG2, 0.25µg/ml, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. Price on request 56082 Lead (Pb) Price on request 10220.12-100-ME n-Pentyl 4-hydroxybenzoate-2,3,5,6-d4, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1219798-66-9 Price on request