<p>A multilayer injection-molded body that contains the following: a layer (X) formed from a resin composition that contains a polyamide compound (A) and a resin (B); and a layer (Y) consisting primarily of another resin (C). The polyamide compound (A) contains the following: 25-50 mol% of diamine units which in turn include at least 50 mol% of a specific diamine unit; 25-50 mol% of dicarboxylic acid units which in turn include at least 50 mol% of a specific dicarboxylic acid unit; and 0.1-50 mol% of a specific constitutional unit.</p>
