Sterile filtered and lyophilized with no additives
保存建议
Lyophilized hCG should be stored and desiccated at -20°C or -70°C. Upon reconstitution hCG can be stored at 4°C between 2-7 days. For long-term storage, it is recommended to add a carrier protein (0.1% HSA or BSA) and store aliquoted at -20°C or -70°C. Avoid freeze-thaw cycles.