1706698

Harnstoff

United States Pharmacopeia (USP) Reference Standard

• Synonym(e): Carbamid, Carbonyldiamid
• Lineare Formel: NH₂CONH₂
• CAS-Nummer: 57-13-6
• Molekulargewicht: 60.06
• UNSPSC Code: 41116107
• NACRES: NA.24
• PubChem Substance ID: 329751461
• MDL number: MFCD00008022
• Beilstein/REAXYS Number: 635724

Eigenschaften

• grade: pharmaceutical primary standard
• agency: USP
• API family: urea
• manufacturer/tradename: USP
• mp: 132-135 °C (lit.)
• density: 1.335 g/mL at 25 °C (lit.)
• application(s): pharmaceutical (small molecule); pharmaceutical
• format: neat
• storage temp.: 15-25°C
• SMILES string: NC(N)=O
• InChI: 1S/CH4N2O/c2-1(3)4/h(H4,2,3,4)
• InChI key: XSQUKJJJFZCRTK-UHFFFAOYSA-N

Beschreibung

General description

Find answers to frequently asked questions on USP products in USP FAQs.

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.

Application

Urea USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia. Also, for use with USP monographs such as:

• Urea C 13
• Urea Compounded Irrigation
• Fluorouracil Cream
• Allantoin
• Fluorouracil

Wird für die Denaturierung von Proteinen und als mildes Mittel zur Solubilisierung unlöslicher oder denaturierter Proteine?? verwendet. Nützlich für die Renaturierung von Proteinen aus Proben, die bereits mit 6 M Guanidinchlorid vergällt sind, wie z.B. Einschlüssen. Kann mit Guanidin-hydrochlorid und Dithiothreitrol (DTT) für die Rückfaltung von denaturierten Proteinen in ihre native oder aktive Form eingesetzt werden.

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.  ​

Other Notes

Sales restrictions may apply.

Sicherheitshinweise

• Lagerklasse: 11 - Combustible Solids
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable