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U4883

Harnstoff

8 M (after reconstitution with 16 mL high purity water)

Synonym(e):

Harnstoff -Lösung, Carbamid, Carbonyldiamid

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Ihnen/SKUVerfügbarkeitPreis
6 x 25 mL
Warenkorb auf Verfügbarkeit prüfen
€ 119,00

Über diesen Artikel

Lineare Formel:
NH2CONH2
CAS-Nummer:
Molekulargewicht:
60.06
UNSPSC Code:
12352111
NACRES:
NA.25
PubChem Substance ID:
EC Number:
200-315-5
Beilstein/REAXYS Number:
635724
MDL number:

€ 119,00


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form

powder

Quality Segment

concentration

8 M (after reconstitution with 16 mL high purity water)

solubility

H2O: soluble (1 vial plus 16 mL)

SMILES string

NC(N)=O

InChI

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

InChI key

XSQUKJJJFZCRTK-UHFFFAOYSA-N

General description

Urea is a chaotropic agent and is used for protein denaturation. It disturbs the hydrogen bonds in the secondary, tertiary and quaternary structure of proteins. It can also disturb hydrogen bonding present in DNA secondary structure.

Application

Nützlich für die Solubilisierung und Denaturierung von Proteinen in der Vorbereitung für 2D-PAGE, enzymatischen Verdau, IMAC-Chromatographie und verwandte Verfahren.

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Dieser Artikel
U1250U51281.04166
Harnstoff 8 M (after reconstitution with 16 mL high purity water)

Supelco

U4883

Harnstoff

Harnstoff granulated, EMPROVE® EXPERT, Ph. Eur., BP, ChP, JP, USP, ACS

SAFC

1.04166

Harnstoff

description

8 M (after reconstitution with 16 mL high purity water)

description

ReagentPlus®, ≥99.5%, pellets

description

ACS reagent, 99.0-100.5%

description

granulated, EMPROVE® EXPERT, Ph. Eur., BP, ChP, JP, USP, ACS

Quality Level

100

Quality Level

300

Quality Level

200

Quality Level

500

solubility

H2O: soluble (1 vial plus 16 mL)

solubility

H2O: 8 M

solubility

H2O: soluble 480 g/L at 20 °C

solubility

-

form

powder

form

pellets

form

solid

form

granular

concentration

8 M (after reconstitution with 16 mL high purity water)

concentration

-

concentration

-

concentration

-


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Lagerklasse

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)



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Analysenzertifikate (COA)

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Questions

1–2 of 2 Questions  
  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdf

      Helpful?

  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

      Helpful?

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