The term propionaldehyde is identified in base64 scheme by the sequence cHJvcGlvbmFsZGVoeWRl, while the MD5 signature is equal to 1c15f3aea12c8db6c5a25f2ad01bb29c. The ASCII encoding of propionaldehyde in hexadecimal notation is 70726f70696f6e616c646568796465.