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7.Cytidine-5’-Monophosphate, Disodium Salt(5’-CMP,Na2)
Nucleotide |
Cas |
No. Empirical Chemical Formula |
Cytidine-5’-Monophosphate,Disodium salt |
6757-06-8 |
C9H12N3O8PNa2 |
Test Items |
Specifications |
Appearance |
White crystal or crystalline powder |
Odor or Taste |
Odourless and has a characteristic taste |
Solubility |
Freely soluble in water, |
|
Very slightly soluble in alcohol |
Identification UV |
280±2nm |
max. (PH7.0) |
0.40~0.52 |
R1-A250/260 (PH7.0) |
1.85~2.20 |
R2-A280/260 (PH7.0) |
|
Assay (UV or HPLC) |
N.L.T98% (on dry basis) |
Impurity (HPLC) |
Related subs N.M.T 3% |
Transparence 430nm |
N.M.T 95.0% |
PH |
in the range 7.0~8.5 |
Loss on drying |
N.M.T 26.0% (4hrs @ 120℃) |
Heavy metals (Pb) |
N.M.T 5.0mg/kg |
Arsenic |
N.M.T 2.0mg/kg |
APC |
N.M.T 1000cfu/g |
Mould and Yeast |
N.M.T 25cfu/g |
Coliforms |
N.M.T 30MPN/100g |
E.Coli |
Negative |
Salmonella |
Negative |