Urea 99,5, high_purity
Leverandør: VWR ChemicalsSamlet vurdering
Gennemsntilig vurdering
Synonymer:
Urinstof
Commonly used to denature nucleic acids for electrophoresis and to study the secondary and tertiary structure of proteins.
Effective for maintaining DNA in a highly denatured state during sequencing protocols, urea is also useful for accelerating the activity of Proteinase K digestions. Effectively denatures RNA. For use in nucleic electrophoresis applications.
Formel:
NH₂CONH₂ Molekylvægt: 60.06 g/mol Kogepunkt: 197 Smeltepunkt: 132.7 °C Massefylde: 1.34 g/cm³ (20 °C) Opbevaringstemperatur: Stue temperatur |
MDL Number:
MFCD00008022 CAS-nummer: 57-13-6 EINECS: 200-315-5 REACH: 01-2119463277-33 Merck Index: 13,09935 |
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Specifikationer Testresultater
Abs.@ 280 nm (5 M, Water) | <0.05 |
Biuret Test | Pass |
Chloride | ≤0.0005% |
Cyanate | ≤0.002% |
DNase | none detected |
Heavy Metals (as Pb) | ≤0.0005% |
Insolubles | ≤0.005% |
Iron | ≤0.0001% |
Melting Point | 132 – 135 °C |
Protease | none detected |
Purity | ≥99.5% |
RNase | none detected |
Solubility (5 M, Water) | Pass |
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