Internal Standard for AB SIM Back Catalog number: 94516 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9417.17-K-ME Venlafaxine hydrochloride,1000 µg base/mL,MeOH,1mL Price on request 673520 Cypermethrin, 100 µg/ml, Ethyl acetate, 5ml Price on request 11614.19-100MG Enrofloxacin,neat,neat,100mg, Price on request