You Searched For: 1-(2-Pyridylazo)-2-naphthol


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Supplier: Thermo Fisher Scientific
Description: Sodium hydrogen 4-amino-5-hydroxynaphthalene-2,7-disulphonate monohydrate 80% tech.
Supplier: Thermo Fisher Scientific
Description: Acid red 1

New Product

Supplier: Thermo Fisher Scientific
Description: CAS No.: 19381-50-1
Supplier: Thermo Fisher Scientific
Description: CAS No.: 915-67-3
Catalog Number: (APOSOR340024-250MG)
Supplier: Apollo Scientific
Description: (R)-3,3'-Bis(2,4,6-trisopropylphenyl)-1,1'-binapthyl-2,2'-diyl hydrogenphosphate
UOM: 1 * 250 mg


Supplier: Thermo Fisher Scientific
Description: Trypan blue
Catalog Number: (APOSPC440006-250MG)
Supplier: Apollo Scientific
Description: (R)-3,3'-Bis(3,5-difluorophenyl)-1,1'-binapthyl-2,2'-diyl hydrogenphosphate
UOM: 1 * 250 mg


Supplier: SIGMA ALDRICH MICROSCOPY
Description: Trypan Blue (C.l. 23850) is a large, tetrasulfonated anionic, hydrophilic dye. It is also known as diamine blue 3B. Trypan blue has been used as a dye in trypan blue exclusion assay/cell viability assay to detect dead cells.

Catalog Number: (93595-50ML)
Supplier: SIGMA ALDRICH MICROSCOPY
Description: Trypan blue is a tetrasulfonated anionic, hydrophilic azo dye derived from toluidine. The non-permeable cell membrane dye is a vital dye that selectively stains dead or non-viable cells, that pass through damaged but not through intact cell membranes.
UOM: 1 * 50 mL

Catalog Number: (LIOF87002)
Supplier: LIOFILCHEM
Description: EnteroPluri Test is a 12-sector system containing special culture media that permits identification of the<i> Enterobacteriaceae</i> and other gram negative, oxidase negative bacteria. The system allows the simultaneous inoculation of all media present in the sectors and the execution of 15 biochemical reactions. Microorganism is identified evaluating the colour change of the different culture media after 18 to 24 hours of incubation at 36 ±1 °C and by a code number obtained from biochemical reaction interpretation. Oxidase, Kovacs Reagent Indol (e.g. 1.00181.0002, 1.09293.0100, 1.11350.0001) and Codebook are not included.
UOM: 1 * 1 KIT

New Product


Catalog Number: (PROOMM0043.04)
Supplier: LGC Standards PROMOCHEM
Description: 1-Naphthol
UOM: 1 * 100 mg


Catalog Number: (K940-100ML)
Supplier: VWR Chemicals
Description: A pre-mixed dye solution used in cell culture applications to determine cell viability. A researcher can remove a sample of cells from culture and combine in a 1:1 ratio with the Trypan Blue solution. Under the microscope, dead cells will appear a blue color and viable cells will appear clear and translucent. Using a hemacytometer (gridded microscope slide), a researcher can quantify the percentage of dead cells within a population. Stained cells are ready for counting within five minutes.
UOM: 1 * 100 mL

Catalog Number: (BOSSBS-0629R-HRP)
Supplier: Bioss
Description: Sulfotransferase that utilizes 3'-phospho-5'-adenylyl sulfate (PAPS) as sulfonate donor to catalyze the sulfate conjugation of estradiol and estrone. May play a role in the regulation of estrogen receptor activity by metabolizing free estradiol. Maximally sulfates beta-estradiol and estrone at concentrations of 2 nM. Also sulfates dehydroepiandrosterone, pregnenolone, ethinylestradiol, equalenin, diethylstilbesterol and 1-naphthol, at significantly higher concentrations; however, cortisol, testosterone and dopamine are not sulfated.
UOM: 1 * 100 µl


Catalog Number: (MOLE25134487-5G)
Supplier: Molekula
Description: Naphthol AS acetate
UOM: 1 * 5 g

Market Source Item This is a MarketSource item. Additional charges may apply

Supplier: Thermo Fisher Scientific
Description: Trypan blue 60% (dye content)
Catalog Number: (MOLE38291416-1G)
Supplier: Molekula
Description: Naphthol AS-E acetate
UOM: 1 * 1 g

Market Source Item This is a MarketSource item. Additional charges may apply

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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 +353 1 88 22222.
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 +353 1 88 22222.
This product is marked as restricted and can only be purchased by approved Shipping Accounts. If you need further assistance, email VWR Regulatory Department at eurega_services@eu.vwr.com
-Additional Documentation May be needed to purchase this item. A VWR representative will contact you if needed.
This product has been blocked by your organisation. Please contact your purchasing department for more information.
The original product is no longer available. The replacement shown is available.
Product(s) marked with this symbol are discontinued - sold till end of stock. Alternatives may be available by searching with the VWR Catalog Number listed above. If you need further assistance, please call VWR Customer Service on +353 1 8822222.
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