Yttrium (Y) Back Catalog number: 56039 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9400.19-100-ME Doxepin hydrochloride, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1229-29-4 Price on request DF-IS-C40 Mass-Labelled PCDD/PCDF Internal Standard Solution, 1.2ml, nonane Price on request 678659 S-Metolachlor Metabolite CGA 357704, 100 µg/ml, A Price on request