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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
Image Unavailable-ROTH3215.1

Phenol

Catalog Number: (ROTH3215.1)
Supplier: Roth Carl
Description: Phenol
UOM: 1 * 1 kg
Image Unavailable-ROTH3586.3

Hydroquinone

Supplier: Roth Carl
Description: Hydroquinone

Image Unavailable-MOLE49832796-1KG

Orthoboric acid

Supplier: Molekula
Description: Orthoboric acid

Image Unavailable-ROTHP010.1

Orthoboric acid

Supplier: Roth Carl
Description: Orthoboric acid

Image Unavailable-J67419.36

Orthoboric acid ≥99.5% for molecular biology

Supplier: Thermo Fisher Scientific
Description: Orthoboric acid ≥99.5% for molecular biology

Certificates

Image Unavailable-SIALP1037-500G

Phenol, Sigma-Aldrich®

Supplier: Merck
Description: Phenol, Sigma-Aldrich®

Image Unavailable-SIAL77608-500G

Phenol, Sigma-Aldrich®

Supplier: Merck
Description: Phenol, Sigma-Aldrich®

Image Unavailable-RC-029

Orthoboric acid

Supplier: G-Biosciences
Description: Orthoboric acid

Image Unavailable-ROTH5935.2

Orthoboric acid

Supplier: Roth Carl
Description: Orthoboric acid

Image Unavailable-SIAL15663-1KG

Orthoboric acid, Sigma-Aldrich®

Supplier: Merck
Description: Orthoboric acid, Sigma-Aldrich®

Certificates

Image Unavailable-SPCMHY113-50KGBL

Hydroquinone USP

Supplier: Spectrum Chemical
Description: BSE/TSE statement (available upon request)
Allergen statement (available upon request)

Image Unavailable-ICNA11AQUAPH02

Phenol liquified ≥99.5%, clear, colorless solution, Aquaphenol

Supplier: MP Biomedicals
Description: Aquaphenol™ is a solution of double-distilled phenol saturated with ultra-pure water (approx 30%). It does not contain antioxidant or additives. Aquaphenol™ has an acid pH and can be used directly for RNA extraction. For DNA extraction, pH can be quickly adjusted to 7,5 or 8 using pH maker solutions and protocols included.

Image Unavailable-AMBI9712

Phenol liquified ≥99.0% saturated solution in water pH 6.6

Supplier: Ambion
Description: Ambion® Water Saturated Phenol is supplied premixed and at pH 6.6 (pH 7.9 ± 0.2, with included buffer). Water Saturated Phenol is used in RNA and DNA extraction procedures. Preparation of phenol for use in molecular biology applications is a time-consuming and often hazardous procedure due to its toxic and corrosive nature. Ambion® premixed, quality tested, saturated phenols are ready-to-use, eliminating handling problems and offering a more convenient, safer, and easier alternative to preparing solutions from crystalline phenol.

Product Image-ENZOBMLPI1090100

Z-Leu-Leu-Leu-B(OH)2

Catalog Number: (ENZOBMLPI1090100)
Supplier: ENZO LIFE SCIENCES
Description: Proteasome inhibitor
UOM: 1 * 100 µG
Image Unavailable-ENZOALX260023M001

Mca-YVADAPK(Dnp)-OH

Catalog Number: (ENZOALX260023M001)
Supplier: ENZO LIFE SCIENCES
Description: Substrate for caspase-1 and -4
UOM: 1 * 1 mg
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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 +43 1 97002 - 0.
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 +43 1 97002 - 0.
Dual use goods can only be delivered within the European Union.
Dual use goods can only be delivered within the European Union.
This product has been blocked by your organization. Please contact your purchasing department for more information.
The original product is no longer available. The replacement shown is available.
This product is no longer available. Alternatives may be available by searching with the VWR Catalog Number listed above. If you need further assistance, please call VWR Customer Service at +43 1 97002 - 0.
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