3 Amino 4 Chloro Acetanilide ( CAS No. 51867-83-5) Product Name : 3 Amino 4 Chloro Acetanilide ( CAS No. 51867 - 83 - 5) Synonyms: N-( 3-amino-4-chlorophenyl) acetamide CAS no. : 51867 - 83 - 5 EINECS No.: 257-485-9 Applications: Intermediate for Optical Brightening Agents. CAS no. : 51867-83-5