Metformin-d6 HCl, 1000µg/ml in MeOH, 1ml Back Catalog number: 12114.4-K-ME Manufacturer: CHIRON AS Availability: In the manufacturer's stock Price on request - + Recommended 50254 Custom Calibration Standard Price on request 676639 D4-Ethephon-hydroxy, 100 µg/ml, Acetone, 1ml Price on request 675535 D4-Rhodamine B, 5mg Price on request