2-Nitro-5-chlorobenzoic Acid1). Also name : 2-Nitro-5-chlorobenzoic Acid;2). Molecular Fomular :C7H4C1NO4;3). Molecular weight : 201.56;4).CAS No.: 2516-95-2;5).Spec: 99.0% (HPLC/GC);6).Appearance: Light yellow crystalline powder;7).Usage: Pharmaceutical intermediates, for fine organic synthesis and catalyst,health care products.