WS Disinfection By-Products - Cal Check 2 Back Catalog number: 93984 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 12125.12-K-ME Carbetamide,1000 µg/mL,neat,1mL, Price on request 73311 Methyl eicosatetraenoate (C20:4n-6) Price on request 82404 EPA Method 8240A Mix #5 - Alcohols, 2000µg/ml in MeOH, 1ml Price on request