Urea
SIAL/RDD034 - free-flowing, Redi-Dri™, Bioreagent, ≥98%
Synonym: Carbamide; Carbonyldiamide
CAS Number: 57-13-6
Empirical Formula (Hill Notation): CH4N2O
Molecular Weight: 60.06
MDL Number: MFCD00008022
Linear Formula: NH2CONH2
Product Type: Chemical
assay | ≥98% |
density | 1.335 g/mL at 25 °C (lit.) |
foreign activity | DNAse, none detected |
Endonuclease, none detected | |
Exonuclease, none detected | |
NICKase, none detected | |
Protease, none detected | |
RNAse, none detected | |
InChI | 1S/CH4N2O/c2-1(3)4/h(H4,2 |
InChI key | XSQUKJJJFZCRTK-UHFFFAOYSA |
mp | 132-135 °C (lit.) |
product line | Redi-Dri™ |
quality | Bioreagent |
Quality Level | 100 ![]() |
SMILES string | NC(N)=O |
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. |
Legal Information: | Redi-Dri is a trademark of Sigma-Aldrich Co. LLC |
WGK Germany | WGK 1 |
Flash Point(F) | Not applicable |
Flash Point(C) | Not applicable |
Purity | ≥98% |
mp | 132-135 °C (lit.) |
Density | 1.335 g/mL at 25 °C (lit.) |
UNSPSC | 12352111 |