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Image Unavailable-SIAL803480-50MG

PDPH ((3-(2-pyridyldithio)propionyl hydrazide)) ≥95%, Sigma-Aldrich®

Catalog Number: (SIAL803480-50MG)
Supplier: Merck
Description: The PDPH is a heterobifunctional crosslinker containing sulfhydryl-reactive pyridyldithiol and carbonyl-reactive hydrazide moieties. Pyridyldithiols react with free sulfhydryls (-SH) to form disulfide bonds. Hydrazide groups react with carbonyls (aldehydes and ketones) to form stable hydrazone bonds. Aldehyde groups can be created by periodate-oxidation of sialic acid and other sugar components of glycoprotein polysaccharides. Thus, PDPH is useful for conjugating glycoproteins and sulfhydryl-containing peptides or proteins. Likewise, PDPH is useful as a sulfhydryl-addition reagent for glycoproteins and other carbohydrates; after reaction of the hydrazide to an oxidized carbohydrate, the pyridyldithiol group can be cleaved by a reducing agent to expose a sulfhydryl group. Yet another application for PDPH is to react the primary amine of the hydrazide moiety to a carboxyl group using the crosslinker EDC.
UOM: 1 * 50 mg
Product Image-21251.260

Ammonium fluoride ≥97%, GPR RECTAPUR®

Catalog Number: (21251.260)
Supplier: VWR Chemicals
Description: Ammonium fluoride ≥97%, GPR RECTAPUR®
UOM: 1 * 500 g

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Product Image-26820.293

Potassium fluoride ≥99.0%, AnalaR NORMAPUR® analytical reagent

Supplier: VWR Chemicals
Description: Potassium fluoride ≥99.0%, AnalaR NORMAPUR® analytical reagent

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Image Unavailable-1.05846.0100

Magnesium fluoride, Patinal®

Catalog Number: (1.05846.0100)
Supplier: Merck
Description: Magnesium fluoride, Patinal®
UOM: 1 * 100 g

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Image Unavailable-1.16715.9050

Magnesium fluoride

Catalog Number: (1.16715.9050)
Supplier: Merck
Description: Magnesium fluoride
UOM: 1 * 50 kg

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Product Image-21252.460

Ammonium fluoride ≥98.0%, AnalaR NORMAPUR® analytical reagent

Supplier: VWR Chemicals
Description: Ammonium fluoride ≥98.0%, AnalaR NORMAPUR® analytical reagent

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Product Image-26821.296

Potassium fluoride ≥98.5%, GPR RECTAPUR®

Supplier: VWR Chemicals
Description: Potassium fluoride ≥98.5%, GPR RECTAPUR®

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Product Image-27858.290

Sodium fluoride ≥98%, purified

Catalog Number: (27858.290)
Supplier: VWR Chemicals
Description: Sodium fluoride ≥98%, purified
UOM: 1 * 1 kg

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Image Unavailable-1.01164.1000

Ammonium fluoride, EMSURE® ACS for analysis, Supelco®

Supplier: Merck
Description: Ammonium fluoride, EMSURE® ACS for analysis, Supelco®

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Product Image-19817DVEMPTY

Sodium fluoride 87% ≥87% (w/v) in sodium hydroxide solution

Catalog Number: (19817DVEMPTY)
Supplier: VWR Chemicals
Description: Sodium fluoride 87% ≥87% (w/v) in sodium hydroxide solution
UOM: 1 * 100 L
Product Image-27859.464

Sodium fluoride 98.5-100.5% Ph. Eur.

Supplier: VWR Chemicals
Description: Sodium fluoride 98.5-100.5% Ph. Eur.

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Product Image-0702-05

Ammonium fluoride 40% in aqueous solution, CMOS for microelectronic, J.T.Baker®

Catalog Number: (0702-05)
Supplier: Avantor
Description: Ammonium fluoride 40% in aqueous solution, CMOS for microelectronic, J.T.Baker®
UOM: 1 * 7 lb

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Image Unavailable-8.07839.0005

Antimony(III) fluoride for synthesis, Sigma-Aldrich®

Catalog Number: (8.07839.0005)
Supplier: Merck
Description: Antimony(III) fluoride for synthesis, Sigma-Aldrich®
UOM: 1 * 5 g

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Image Unavailable-1.02840.9050

Calcium fluoride

Supplier: Merck
Description: Calcium fluoride

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Image Unavailable-1.05030.9050

Potassium fluoride

Supplier: Merck
Description: Potassium fluoride

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Image Unavailable-1.06449.1000

Sodium fluoride, EMSURE® Reag. Ph. Eur. analytical reagent, Supelco®

Supplier: Merck
Description: Sodium fluoride, EMSURE® Reag. Ph. Eur. analytical reagent, Supelco®

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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 on 0800 22 33 44
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Additional Documentation may be needed to purchase this item. A VWR representative will contact you if needed.
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