Metformin, 1000μg/ml in MeOH, 1ml Back Catalog number: 72207 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71799 L(+)Lactic acid Price on request 2629.35-10UG 17ß(H),21 alpha(H)-(22RS)-Pentakishomohopane, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. Price on request 678214 Benzobicyclon, 10.0 µg/ml, Acetonitrile, 10ml Price on request