MilliporeSigma
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666122-M

Millipore

Urea, Molecular Biology Grade - CAS 57-13-6 - Calbiochem

End product of the urea cycle. A topical keratolytic agent.

Synonym(s):
Urea, Carbamide, Carbonyl Diamide, Carbamide, Carbonyldiamide
Linear Formula:
NH2CONH2
CAS Number:
Molecular Weight:
60.06
Beilstein:
635724
MDL number:

Quality Level

assay

≥98%

form

solid

manufacturer/tradename

Calbiochem®

storage condition

OK to freeze

color

white

mp

132-135 °C (lit.)

solubility

water: soluble

density

1.335 g/mL at 25 °C (lit.)

absorption

≤0.01 at 260 nm
≤0.01 at 280 nm

foreign activity

DNases, proteases, RNases, none detected

storage temp.

10-30°C

SMILES string

NC(N)=O

InChI

1S/CH4N2O/c2-1(3)4/h(H4,2,3,4)

InChI key

XSQUKJJJFZCRTK-UHFFFAOYSA-N

General description

End product of the urea cycle (absorbance: ≤0.01 at 260 nm and 280 nm). A topical keratolytic agent.
End product of the urea cycle. A topical keratolytic agent.

Application

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.

Warning

Toxicity: Irritant (B)

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

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Certificate of Quality

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