Caffeine, EP Reference standard, 70mg Back Catalog number: C0100000 Availability: In the manufacturer's stock Price on request - + Recommended C210190-1MG Ceftolozane Sulfate (Delta2/Delta3mixture)(>85%), 1mg Price on request 8483.34-100-ME Metoprolol tartrate, 100µg/ml in MeOH, 1ml Price on request 18000-1257-10AN5 Valsartanic acid, 10µg/ml in Acetonitrile, 5ml Price on request