SPE Amide-2 500mg/1mL, 100/pk Back Catalog number: 4823 Availability: In the manufacturer's stock Price on request - + Recommended 12003 C18Octadecyl18%500mg/3mL 50/box Price on request 731773 Chromafix HR-XAW (L) 333,51 € 14256001 HF Mega Bond Elut C18, 1gm 6mL, 30/PK 162,10 €