Quick view View Item Naproxen solution 1.0 mg/mL in methanol, ampule of 1 mL, certified reference material, Cerilliant Naproxen solution 1.0 mg/mL in methanol, ampule of 1 mL, certified reference material, Cerilliant Empirical Formula (Hill Notation): C14H14O3 CAS Number: 22204-53-1 Molecular Weight: 230.26 EC Number: 200-659-6 MDL number:... Weight: 4.00 LBS View Item Quick view Qty in Cart: 0 Price: Subtotal: