Factory price 99% Guanosine-5 -triphosphoric aicd disodium salt/GTP-Na2 CAS 56001-37-7

Items

Specifications

Appearance

Identification

Have the largest absorption at256±2nm wavelength

           A250 /A260=0.92-1.00

A280 / A280=0.65-0.69

Dissolve in dilute nitric acid , add ammonium molybdate TS , heat for a few minutes and cool ,a yellow  precipitate is precipitation.

Yields the flame reaction characteristic of sodium salts

Clarity and color of solution       

Clarity, colorless                                              

pH

3.0-8.0

Loss on drying

≤15.0%

Protein

No turbidity is produced

Content（Dry Basis）

≥85.0%

≥80.0%

Purity (HPLC)

≥90.0%

≥80.0%