Internal & Surrogate Standard Back Catalog number: 97790 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681719 Fomesafen, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 72755 3-Pentanone Price on request M258815-1G Metformin Hydrochloride, 1g Price on request