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 ℃