(S)-Naproxen Ethyl-d5 Ester Price Not Available 5mg (S)-Naproxen Ethyl-d5 Ester Supplier Page Catalog Number R053254 Molecular Formula C16H18O3 CAS# 1346617-42-2 Purity ≥98% Inchi InChI=1S/C16H18O3/c1-4-19-16(17)11(2)12-5-6-14-10-15(18-3)8-7-13(14)9-12/h5-11H,4H2,1-3H3/t11-/m0/s1/i1D3,4D2 Inchi Key URNAYRDBUUZOIU-NFFXRZFLSA-N SMILES CCOC(=O)C(C)C1=CC2=C(C=C1)C=C(C=C2)OC Size 5mg Supplier Page https://www.musechem.com/product/R053254.html