Cytosine 99+%

Supplier: Thermo Scientific
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Synonyms: 6-Aminopyrimidin-2(1H)-one, 4-Amino-2-pyrimidinol

161760050 161760250 161761000
ACRO161760050EA 215 GBP
ACRO161760050 ACRO161760250 ACRO161761000
Cytosine 99+%
Cytosine
Formula: C₄H₅N₃O
MW: 111,1 g/mol
Melting Pt: >300 °C
Density: 0,99771 g/cm³ (25 °C)
Storage Temperature: Ambient
MDL Number: MFCD00006034
CAS Number: 71-30-7
EINECS: 200-749-5
Merck Index: 13,02824

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Specification Test Results

Appearance White to light yellow Crystalline powder
Infrared spectrum Conforms
Loss on drying ≤0.5 % (105°C, 5 hrs)
Sulfated ash ≤0.1 % (800°C)
HPLC ≥99.0 %
UV spectrophotometry molar absorptivity 10400 +/- 2%, on dry basis
Heavy metals (as Pb) ≤10 ppm

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