Uridine 99%

Supplier: Thermo Scientific Chemicals

Synonyms: 1-((2R,3R,4S,5R)-3,4-Dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dioneUracil-1-β-D-ribofuranoside1-β-D-Ribofuranosyluracil

14077-5000 14077-0250 14077-0010 14077-1000
TS14077-0010EA 63.42 USD
TS14077-0010 TS14077-0250 TS14077-5000 TS14077-1000
Uridine 99%
Uridine
Formula: C₉H₁₂N₂O₆
MW: 244.20 g/mol
Melting Pt: 162…170 °C
Storage Temperature: Refrigerator
MDL Number: MFCD00006526
CAS Number: 58-96-8
EINECS: 200-407-5

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Specification Test Results

Appearance White to off-white Crystalline powder
Infrared spectrum Conforms
Melting point 162 to 170 °C
Loss on drying ≤1 % (105 °C, 2 hrs)
Sulfated ash ≤0.1 %
HPLC ≥98.5 %
UV spectrophotometry ≥98 % (lambda max. 262 nm, pH 7)
UV spectrophotometry molar absorptivity 10100 +/- 2%, on dry basis
UV transmittance ≥95 % (c=1, H2O, 430 nm) 1 cm cell
Ratio of Absorbances 0.72 to 0.76 (A250/A260)
Ratio of Absorbances 0.34 to 0.38 (A280/A260)
Heavy metals (as Pb) ≤10 ppm

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