Urea

CAS Number57-13-6
FormulaN/A
Mol. Weight60.06 g/mol
Urea
What is Urea?
Urea is a chemical compound with CAS number 57-13-6. It is used in various industrial and research applications.
Applications
Used for the denaturation of proteins and as a mild solubilization agent for insoluble or denatured proteins. Useful for renaturing proteins from samples already denatured with 6 M guanidine chloride such as inclusion bodies. May be used with guanidine hydrochloride and dithiothreitrol (DTT) in the refolding of denatured proteins into their native or active form.
Specifications
Linear Formula
NH2CONH2
Molecular Weight
60.06 g/mol
Assay/Purity
≥99.0%
Impurities
DNases, none detected
RNases, none detected
insoluble matter, passes filter test
phosphatases, none detected
proteases, none detected
≤0.1% biuret
<0.005% formaldehyde (HCHO)
Density
1.335 g/mL at 25 °C(lit.)
Solubility
H2O: soluble8 M at 20 °C, clear, colorless
