2ml HPLC Vial Manufacturers, Suppliers, Factory, Wholesale vials for HPLC | Sigma-Aldrich Vials, 2 mL, open-top screw cap, R.A.M. ™ (9 mm) convenience kit with closures with septa, unassembled, pkg of 100 11 Product Results Glass Tubes – Tubes and Vials | Sigma-Aldrich Changes will be taking place on SigmaAldrich.com on June 5, 2021 that include visual and functional updates.