2-Phosphono-4-pentynoic Acid Triethyl Ester Price Not Available 5mg 2-Phosphono-4-pentynoic Acid Triethyl Ester Supplier Page Catalog Number R018899 Molecular Formula C11H19O5P CAS# 26199-74-6 Purity ≥95% Inchi InChI=1S/C11H19O5P/c1-5-9-10(11(12)14-6-2)17(13,15-7-3)16-8-4/h1,10H,6-9H2,2-4H3 Inchi Key BQKSHEFROALUGV-UHFFFAOYSA-N SMILES CCOC(=O)C(CC#C)P(=O)(OCC)OCC Size 5mg Supplier Page https://www.musechem.com/product/R018899.html