Spiking Standard 1 Back Catalog number: 52069 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9399.19-10MG Doxepin-d3 hydrochloride, neat, Solvent-net, Unit 10mg, # of units-1, Cas.no. 347840-07-7 Price on request 53050 Interference Standard 3 Price on request 12018.10-K-ME Di(propylene glycol) butyl ether, mixture of isomers,1000 µg/mL,MeOH,1mL, Price on request