Somatropin (HGH) ChemicalName: Somatropin , Recombinant Human Growth Hormone, CAS No.: 12629-01-5 Molecular Formula:C990H1528N262O300S7 Molecular Weight:22260.01D Source: E.Coli Description: White lyophilized power EXPIRY: 2 years Indication: Indicated for growth failure due to endogenous growth hormone deficiency (GHD) and Turner disease or Kidney failure. STORAGE: Keep at 2~8fpC away from light.