Imprimer

Cytosine 99+%

Fournisseur: Thermo Fisher Scientific
Attention

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

161760050 161760250 161761000
ACRO161760050EA 131 EUR
ACRO161760050 ACRO161760250 ACRO161761000
Cytosine 99+%
Cytosine
Formule: C₄H₅N₃O
Point de fusion: >300 °C
Densité: 0,99771 g/cm³ (25 °C)
Température de stockage: Température ambiante
Numéro MDL: MFCD00006034
Numéro CAS: 71-30-7
EINECS: 200-749-5
Merck Index: 13,02824

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Résultats des tests de spécification

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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