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51465 Sigma-Aldrich

Urea

tested according to Ph.Eur.

Synonym: Carbamide, Carbonyldiamide, Ureum

  • CAS Number 57-13-6

  • Linear Formula NH2CONH2

  • Molecular Weight 60.06

  •  Beilstein Registry Number 635724

  •  EC Number 200-315-5

  •  MDL number MFCD00008022

  •  PubChem Substance ID 24873763

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Properties

Related Categories Analytical/Chromatography, Biochemicals and Reagents, Chaotropic Agents, Denaturation, Pharmacopoeia,
InChI Key   XSQUKJJJFZCRTK-UHFFFAOYSA-N
assay   98.5-101.5% (Dried Substance)
form   solid
pharmacopeia   testing conforms to Pharmacopeia
mp   132-135 °C(lit.)
solubility   H2O: soluble480 g/L at 20 °C (completely)
density   1.335 g/mL at 25 °C(lit.)
Gene Information   human ... CA1(759), CA2(760)
rat ... Ppm1a(24666)

Description

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.

Other Notes

Same product — same quality — now Sigma-Aldrich brand

Price and Availability

Suggested Laboratory Gloves


Laboratory GlovesThis substance has been tested against several types of hand protection for CE compliance. Click below to find the recommended gloves for handling this product.



Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
1
RTECS 
YR6250000

Documents

Certificate of Analysis

Protocols & Articles
Peer-Reviewed Papers
15

References

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