666122-M

Urea

Name: Urea
Brand: MM

Molecular Biology Grade, End product of the urea cycle. A topical keratolytic agent.

Synonym(s):

Urea, Carbamide, Carbonyl Diamide, Carbamide, Carbonyldiamide

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About This Item

Linear Formula:

NH₂CONH₂

CAS Number:

57-13-6

Molecular Weight:

60.06

NACRES:

NA.25

UNSPSC Code:

12352111

Beilstein/REAXYS Number:

635724

MDL number:

MFCD00008022

grade:

Molecular Biology

assay:

≥98%

Product Name

Urea, Molecular Biology Grade, End product of the urea cycle. A topical keratolytic agent.

SMILES string

NC(N)=O

InChI

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

InChI key

XSQUKJJJFZCRTK-UHFFFAOYSA-N

grade

Molecular Biology

description

Merck USA index - 14, 9867

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

Quality Level

100

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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.

Disclaimer

Toxicity: Irritant (B)

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.

Legal Information

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

Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c