Other OTC - Delayed Quote • USD PharmChem, Inc. (PCHM) Follow 2.7500 +0.0200 (+0.73%) At close: April 26 at 12:48 PM EDT Conversations Community Insights Related Tickers ICLR ICON Public Limited Company 308.31 +2.74% CRL Charles River Laboratories International, Inc. 229.03 +0.54% WAT Waters Corporation 311.30 +0.96% DGX Quest Diagnostics Incorporated 134.26 -0.86%