Lypressin is a hormone used to prevent or control the frequent urination， increased thirst， and loss of water associated with diabetes insipidus （water diabetes）. Its molecular weight is 1056.2 Dalton having an amino acid sequence of Cys-Tyr-Phe-Gln-Asn-Cys-Pro-Lys-Gly-NH2. The Molecular Formula is: C46H65N13O12S2.
The CAS Number is: 50-57-7.
Lyophilized Lypressin although stable at room temperature for 3 weeks， should be stored desiccated below -18℃. Upon reconstitution Lypressin should be stored at 4℃ between 2-7 days and for future use below -18℃.
For long term storage it is recommended to add a carrier protein （0.1% HSA or BSA）.
Please prevent freeze-thaw cycles.