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Supplier: Thermo Scientific
Description: Trityl chloride resin 0,5 - 2,5 mmol/g on poly(styrene-divinylbenzene), cross-linked with 1% DVB 100-200 mesh
Supplier: Thermo Scientific
Description: Trityl chloride ≥98%
Catalog Number: (ALFAL19377.03)
Supplier: Thermo Scientific
Supplier Article Number:: L19377.03
Description: S-Thiouronium chloride, polymer-supported 0,8 - 1,0 mmol/g on Merrifield resin
UOM: 1 * 1 g

MSDS


Supplier: Thermo Scientific
Description: Amberlite® IRA-900 (Cl) ion exchange resin
Supplier: Thermo Scientific
Description: S-Trityl-L-cysteine 97%
Supplier: Thermo Scientific
Description: Trityl alcohol ≥98%
Supplier: Thermo Scientific
Description: 1-Trityl-(R)-3-methylpiperazine 98%, ee 99%
Supplier: MP Biomedicals
Description: Chloride form quaternary ammonium functionality.Strongly basic, macroreticular resin of moderately high porosity with benzyltrialkylammonium functionality.

Supplier: Thermo Scientific
Description: Trityl bromide ≥98%
Supplier: Thermo Scientific
Description: 1-Tritylimidazole-4-carbaldehyde ≥98%
Supplier: Thermo Scientific
Description: 1-Tritylimidazole ≥98%
Catalog Number: (ALFAH51871.03)
Supplier: Thermo Scientific
Supplier Article Number:: H51871.03
Description: 2-Iodo-1-tritylimidazole ≥97%
UOM: 1 * 1 g

MSDS


Supplier: Thermo Scientific
Description: Tritylium tetrafluoroborate 97%
Supplier: Thermo Scientific
Description: Tritylium hexafluorophosphate ≥98%
Supplier: MP Biomedicals
Description: Applications:
Urea is 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 and in the extraction of the mitochondrial complex. It is commonly used to solubilize and denature proteins for denaturing isoelectric focusing and two-dimensional electrophoresis and in acetic acid-urea PAGE gels. May be used with guanidine hydrochloride and dithiothreitrol (DTT) in the refolding of denatured proteins into their native or active form. Urea is used in cell or tissue culture media to increase the osmolality. Urea has also been used as fertilizer because of the easy availability of nitrogen; in animal feeds; it is reacted with aldehydes to make resins and plastics; condensed with malonic ester to form barbituric acid; used in the paper industry to soften cellulose.
Biochem/physiol Actions:
Urea has been shown to act as an aldosterone antagonist in the development of peanut agglutinin binding in cultured embryonic renal collecting duct epithelial cells. Urea is the principal end product of nitrogen metabolism in most mammals, formed by the enzymatic reactions of the Kreb's cycle.
Typical Working Concentration:
The use of 2 g/L urea in the culture of Kluyveromyces marxianus to produce a thermostable extracellular lipase has been described. Urea is typically used at a concentration of 8 M for protein denaturation or solubilization. A final concentration of 5 M urea is commonly used in molecular biology for sequencing gels. To prevent carbamylation, do not heat urea containing buffers above 37 °C

Catalog Number: (VWRC27362.296)
Supplier: VWR Chemicals
Description: DuPont™ AmberLite™ IRN77 H Ion Exchange Resin Nuclear-grade, Uniform Particle Size, Gel, Strong Acid Cation Exchange Resin for Water Treatment Applications in the Nuclear Power Industry.
UOM: 1 * 1 kg

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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at +65 6505 0760.
This product is marked as restricted and can only be purchased by approved Shipping Accounts. If you need further assistance, email VWR at sales@sg.vwr.com
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