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U6504

Sigma-Aldrich

Urea

suitable for electrophoresis

Sinónimos:

Carbamida, Carbonildiamida

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500 G
MXP 2,612.00
1 KG
MXP 4,095.00

MXP 2,612.00

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500 G
MXP 2,612.00
1 KG
MXP 4,095.00

About This Item

Fórmula lineal:
NH2CONH2
Número de CAS:
57-13-6
Peso molecular:
60.06
Beilstein:
635724
Número CE:
200-315-5
Número MDL:
MFCD00008022
Código UNSPSC:
12352111
ID de la sustancia en PubChem:
24900435
NACRES:
NB.22

MXP 2,612.00

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Ensayo

≥98%

Formulario

powder or crystals

técnicas

electrophoresis: suitable

impurezas

≤0.005% Ammonia

mp

132-135 °C (lit.)

solubilidad

H2O: 100 mg/mL

densidad

1.335 g/mL at 25 °C (lit.)

trazas de catión

Fe: ≤5 ppm
Pb: ≤5 ppm

Absorción

≤0.06 at 260 at 5 M
≤0.06 at 280 at 5 M

cadena SMILES

NC(N)=O

InChI

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

Clave InChI

XSQUKJJJFZCRTK-UHFFFAOYSA-N

Información sobre el gen

human ... CA1(759) , CA2(760)
rat ... Ppm1a(24666)

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Aplicación

Utilizada para la desnaturalización de proteínas y como suave agente de solubilización para las proteínas insolubles o desnaturalizadas. Útil para la renaturalización de proteínas de muestras ya desnaturalizadas con cloruro de guanidina 6 M como los cuerpos de inclusión. Puede utilizarse con clorhidrato de guanidina y ditiotreitol (DTT) en el repliegue de las proteínas desnaturalizadas a su forma nativa o activa.
A chaotropic agent used to solubilize and denature proteins for denaturing isoelectric focusing and two-dimensional electrophoresis.

Código de clase de almacenamiento

11 - Combustible Solids

Clase de riesgo para el agua (WGK)

WGK 1

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable

Equipo de protección personal

Eyeshields, Gloves, type N95 (US)

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Certificados de análisis (COA)

Lot/Batch Number
BCCM8524
BCCM8004
SLCP8134
BCCK8961
SLCP8134

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SAFC

1.08486

Urea

Urea solution BioUltra, ~8 M in H2O

Sigma-Aldrich

51457

Urea solution

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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/449/386/product-dating-information-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

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