Polyinosinic acid sodium salt （PI）

• English name：Polyinosinic acid（Poly I）
• English aliases：Poly I  sodium salt
• CAS No：30918-54-8
• Molecular formula：(C₁₀H₁₀O₇N₄PNa)_n
• Molecular weight of  residue：352.2
• Sedimentation coefficient：>4s
• Structural formula：
• Physical properties：

  （1）This product is a white to off-white powder, freely soluble in water, insoluble in ethanol and ether.

  （2）PH7.2， A₂₅₀/A₂₆₀ =1.59～1.65; A₂₈₀/A₂₆₀ =0.27～0.31; λmax=248nm±1nm。

  （3）Under the condition of PH7.2, A₂₅₀/A₂₆₀ =1.59～1.65; A₂₈₀/A₂₆₀ =0.27～0.31; λmax=248nm±1nm.

• Assay：≥90%

• Usage：This product is paired with PolyC to PolyI: C double helix structure, which has an effect on anti-viral

• Packing size：500g/bag

• Storage：Keep dry and away from light, sealed storage in - 20 ℃