CWA Tin Back Catalog number: 55095 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2789.12-100-AN 4,4'-Thiodianiline,100 µg/mL,acetonitrile,1mL, Price on request 53078 Instrument Standard 2 Price on request 96586 1S,2R(+)-Ephedrine-D3 Price on request