Dec 2, 2021 · Analytical Vials – Sigma-Aldrich Vials, screw top, amber glass (vial only), volume 2 mL, amber glass vial, thread for 8-425, pkg of 100 ea Expand View Pricing 27235-U Stoppers, stopper diam. 20 4ml Wide Opening HPLC Vial for Restek Professional-Aijiren HPLC 4ml Routine Amber Vial for Sigma-Aldrich Professional-Aijiren.