Creative BioMart provides quality recombinant proteins, diagnostic antibodies and antigens, diagnostic enzymes and pharmaceutical enzymes to the research community of biology, clinical research, molecular diagnostics and biopharmaceutical drug development.Use a manual defrost freezer and avoid repeated freezethawcycles. 12 months from date of receipt, 20 to70℃ as supplied. 1 month, 2 to 8 ℃ under sterile conditions afterreconstitution. 3 months, -20 to -70℃ under sterile conditions afterreconstitution.http://www.creativebiomart.net/description_107276_7.htm