ICP Custom Standard Back Catalog number: 59108 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680424 13C3-Caffeine, 10mg Price on request 9400.19-K-ME Doxepin hydrochloride (cis+trans) Price on request 3431.9-100 MCPA, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 94-74-6 Price on request