1 EXHIBIT 21 CAMBREX CORPORATION SUBSIDIARIES OF REGISTRANT SUBSIDIARY INCORPORATED IN: ------------------------------------------------------- ---------------- CasChem, Inc. ......................................... Delaware Cosan Chemical Corp. .................................. New Jersey Nepera, Inc. .......................................... New York The Humphrey Chemical Co., Inc. ....................... Delaware Salsbury Chemicals, Inc. .............................. Iowa Zeeland Chemicals, Inc. ............................... Michigan Seal Sands Chemicals Limited........................... England Profarmaco S.r.1. ..................................... Italy Nordic Synthesis AB.................................... Sweden