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RESEARCH USE ONLY Human Chorionic Gonadotropin (hCG) CATALOG NO.: JM-4778-1000 AMOUNT: 1 mg SOURCE: Purified from urine of post-menopausal women PURITY: >98% by SDS-PAGE and HPLC analyses. CONTAMINANTS: The product is free of HbsAg, Hepatitis B surface antigen, and antibodies to HIV, Hepatitis C, and HCV FORMULATION: Sterile filtered, lyophilized solid. preservatives. RECONSTITUTION: Reconstitute the lyophilized protein in water to a concentration of 0.1-1.0 mg/ml. Avoid freeze/thaw cycles. STORAGE CONDITIONS: Lyophilized hCG should be stored desiccated at –20oC or –70oC. Upon reconstitution hCG can be stored at 4oC for 2-7 days. For long-term storage, it is recommended to add a carrier protein (0.1% HSA or BSA) and store in aliquots at –20oC or –70oC. Avoid freeze/thaw cycles. DESCRIPTION: Human Chorionic Gonadotropin (hCG) is produced from a sterile preparation of placental glucoprotein urine of post-menopausal women having a total molecular mass of 36,700 Dalton. hCG consists of 237 amino acids, chain-92 amino acids and chain-145 amino acids. The hCG is purified by proprietary chromatographic techniques. BIOLOGICAL ACTIVITY: hCG is biologically active compared to standard. The activity was determined to be 5000 IU/mg. USAGE: For research use only. Not for human or drug use. Contains no 4 H Constitution Way · Woburn, MA 01801 · Phone: 1.800.200.5459 · Fax: 781-939-6963 · www.mblintl.com