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1. 5’-AMP ( Adenosine 5＇-monophosphate, free acid )
Usage: used as the intermediary in nucleic acid medicine，health food and bio-chemical reagent, also in processing the bio-chemical medicine, eg: ATP, cAMP.
Executing standard：Q/SSF001-2004
Physical and chemical properties：
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Items
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Index
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Grades
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Excellent
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First-class
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Appearance
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White，crystal powder, no smell, easily soluble in water, in soluble in the organic solvent as alcohol.
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Content (dry product)%≥
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98.0
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93.0
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Weight losing on drying%≤
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6.0
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8.0
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The ratio of absorption at ultraviolet
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A250nm/A260nm
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0.82-0.86
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0.81-0.88
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A280nm/A260nm
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0.21-0.23
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0.19-0.25
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Heavy metals (Pb)%≤
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0.001
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0.002
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As%
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0.0001
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0.0002
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Transparency of light(430nm)%≥
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95
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Other kinds of nucleotide
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Qualified
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