Methylphenidate Carboxylic Acid Price Not Available 5mg Methylphenidate Carboxylic Acid Supplier Page Catalog Number R045730 Molecular Formula C13H18ClNO2 CAS# 19395-40-5 Purity ≥90% Inchi InChI=1S/C13H17NO2.ClH/c15-13(16)12(10-6-2-1-3-7-10)11-8-4-5-9-14-11;/h1-3,6-7,11-12,14H,4-5,8-9H2,(H,15,16);1H Inchi Key SCUMDQFFZZGUQY-UHFFFAOYSA-N SMILES C1CCNC(C1)C(C2=CC=CC=C2)C(=O)O.Cl Size 5mg Supplier Page https://www.musechem.com/product/R045730.html