WS Disinfection By-Products - Cal Check 4 Back Catalog number: 93986 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended IBPO014 Allura Red AC (E 129), 1g Price on request 1513.19-50-T 11-Methylbenz[a]anthracene,50 µg/mL,toluene,1mL, Price on request 9399.19-10MG Doxepin-d3 hydrochloride, neat, Solvent-net, Unit 10mg, # of units-1, Cas.no. 347840-07-7 Price on request