Polyadenosinic acid sodium salt（Poly A）

English name：Polyadenosinic acid sodium salt
English aliases：Poly A sodium salt
CAS No：20939-03-5
Molecular formula：(C₁₀H₁₁O₆N₅PNa)_n
Molecular weight of residue：351.2
Sedimentation coefficient： >4s
Physical properties：
（1）This product is a white to off-white powder, freely soluble in water, insoluble in ethanol and ether.

（2）Under the condition of PH7.2, A250/A260 =0.82~0.92; A280/A260 =0.25~0.35.

（3）λmax=259nm±1nm.
Assay：≥85%
Usage：This product is paired with PolyU to PolyA: U double helix structure, which has an effect on anti-viral and anti-tumor.
Packing size：1kg
Storage：Preserve in tight containers,in a freezing place.