Urea
USP/1706698 - United States Pharmacopeia (USP) Reference Standard
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
| API family | urea |
| application(s) | pharmaceutical (small molecule) |
| density | 1.335 g/mL at 25 °C (lit.) |
| format | neat |
| grade | pharmaceutical primary standard |
| InChI | 1S/CH4N2O/c2-1(3)4/h(H4,2 |
| InChI key | XSQUKJJJFZCRTK-UHFFFAOYSA |
| manufacturer/tradename | USP |
| mp | 132-135 °C (lit.) |
| SMILES string | NC(N)=O |
| storage temp. | 15-25°C |
| Analysis Note: | These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind. |
| Application: | Urea USP reference standard for use in specified quality tests and assays. Also used to prepare standard, urea standard stock, and system suitability solutions for assay, and impurity analysis according to given below monographs of the United States Pharmacopeia (USP): • Urea • Fluorouracil • Allantoin |
| 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. |
| General description: | This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia. For further information and support please go to the website of the issuing Pharmacopoeia   . |
| Other Notes: | Sales restrictions may apply. |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| mp | 132-135 °C (lit.) |
| Density | 1.335 g/mL at 25 °C (lit.) |
| Storage Temp. | 15-25°C |
| UNSPSC | 41116107 |