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Procion blue H-5R

Supplier: Thermo Scientific
Description: Procion blue H-5R

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Reactive blue 4 35% (dye content), Sigma-Aldrich®

Catalog Number: (244813-25G)
Supplier: SIGMA-ALDRICH MICROSCOPY
Description: Reactive Blue 4, Dye content 35 % (1-Amino-4-[3-(4,6-dichlorotriazin-2-ylamino)-4-sulfophenylamino]anthraquinone-2-sulfonic acid; Procion(R) blue MX-R)
UOM: 1 * 25 g

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Procion® Red MX-5B, Sigma-Aldrich®

Catalog Number: (404365-5G)
Supplier: SIGMA-ALDRICH MICROSCOPY
Description: Procion Red has been used in the visualization of osteocyte canalicular system. It has been used as an adsorbate in the biosorption by Bacillus subtilis.
UOM: 1 * 5 g
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5-Bromo-3-indolyl-β-D-galactopyranoside

Supplier: Apollo Scientific
Description: Chromogenic substrate for b-Galactosidase. Reported to produce a deeper blue water insoluble colouration than X-Gal.

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IPTG (isopropyl-β-D-thiogalactopyranoside) ≥99% (by TLC)

Catalog Number: (AGLS300127)
Supplier: AGILENT
Description: IPTG is for use in combination with X-gal to detect β-galactosidase activity in blue/white selection assays.
UOM: 1 * 1 g
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IPTG (isopropyl-β-D-thiogalactopyranoside) ≥99% dioxane-free

Supplier: Apollo Scientific
Description: IPTG is used in conjunction with X-Gal for detection of lac+ colonies or cells in a colorimetric assay to detect recombinants (white) from non-recombinants (blue) in cloning strategies.

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X-Gal (5-bromo-4-chloro-3-indolyl-ß-D-galactopyranoside) enzyme substrate

Supplier: Thermo Fisher Scientific
Description: Thermo Scientific X-Gal (5-bromo-4-chloro-3-indolyl-beta-D-galacto-pyranoside) is an inert chromogenic substrate for beta-galactosidase which hydrolyzes X-Gal into colorless galactose and 4-chloro-3-brom-indigo, forming an intense blue precipitate

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Product Image-437132J

X-Gal (5-bromo-4-chloro-3-indolyl-ß-D-galactopyranoside) ≥98.0%

Catalog Number: (437132J)
Supplier: VWR Chemicals
Description: X-Gal is a chromogenic substrate for ß-Galactosidase that forms an intense blue precipitate. Used in conjunction with IPTG in a colorimetric assay, X-Gal allows differentiation of recombinants from non recombinants in cloning experiments with vectors containing the lacZ gene. It is also used in microbiology to detect microorganisms which have ß-Galactosidase activity.
UOM: 1 * 1 g

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Reactive red 4, powder C.I. 18105

Supplier: MP Biomedicals
Description: A monochlorotriazine dye that inhibits phosphotransferase acitvity

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IPTG (isopropyl-β-D-thiogalactopyranoside) solution 100 mM, Sigma-Aldrich®

Catalog Number: (70527-3)
Supplier: Merck Millipore (Novagen)
Description: The lac operon inducer IPTG (isopropyl-β-D- 1-thiogalactopyranoside) is recommended for blue/white screening by lacZ α- complementation with appropriate vectors and host strains, such as pSTBlue-1/NovaBlue, and for inducing protein expression with the pET System and other lac promoter-derived expression systems.
UOM: 1 * 15 mL
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X-Gal (5-bromo-4-chloro-3-indolyl-ß-D-galactopyranoside), white powder

Supplier: MP Biomedicals
Description: 5-Bromo-4-chloro-3-indolyl b-D-galactopyranoside, commonly known as X-Gal, is a histochemical substrate for b-galactosidase. X-Gal is cleaved by b-galactosidase to yield an insoluble blue precipitate.

Product Image-OZBIGX10003

X-Gal (5-bromo-4-chloro-3-indolyl-ß-D-galactopyranoside) staining kit

Catalog Number: (OZBIGX10003)
Supplier: OZ BIOSCIENCES
Description: X-Gal staining kit allows to visualise ß-gal expression through hydrolysis of the X-Gal (5-bromo-4-chloro-3-indoyl-beta-D-Galactopyranoside) substrate yielding blue precipitates.
UOM: 1 * 1 KIT

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X-Gal (5-bromo-4-chloro-3-indolyl-ß-D-galactopyranoside)

Supplier: G-Biosciences
Description: X-gal (5-bromo-4-chloro-3-indolyl-β-D- galactopyranoside) is used to indicate whether bacteria express the ß-galactosidase enzyme, which is encoded by the lacZ gene. X-gal is cleaved by ß-galactosidase yielding galactose and 5-bromo-4-chloro-3-hydroxyindole, which is oxidised into 5,5'-dibromo-4,4'-dichloro-indigo, an insoluble blue product. Thus, if X-gal and an inducer of ß-galactosidase (usually IPTG) is contained within an agar medium on a culture plate, colonies which have a functional lacZ gene can easily be distinguished by their blue colour.

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IPTG (isopropyl-β-D-thiogalactopyranoside) ≥99%, white powder

Supplier: MP Biomedicals
Description: IPTG (isopropyl-β-thiogalactoside) is an analogue of allolactose that binds specifically to the repressor protein of the lac operon and induces expression of β-galactosidase in Escherichia coli.
IPTG is a commonly used reagent in cloning procedures that require induction of b-galactosidase activity and is used in conjunction with X-Gal in blue-white color selection of recombinant bacterial colonies.
The final concentration typically used in indicator plates is 0.2 mM.

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X-Gal (5-bromo-4-chloro-3-indolyl-ß-D-galactopyranoside) ≥98%, white powder for molecular biology

Supplier: MP Biomedicals
Description: Storage: Store at -20 °C. Store Desiccated. Store Under Nitrogen. Protect from light.
5-Bromo-4-chloro-3-indolyl β-D-galactopyranoside, commonly known as X−Gal, is a histochemical substrate for β−galactosidase.
5-Bromo-4-Chloro-3-Indolyl-β-D-Galactopyranoside is used as indigogenic substrate for β-galactosidase, for detection of β-galactosidase-positive clones, and the identification of lac and bacterial colonies or phage plaques. It is the substrate of choice for blue-white selection of recombinant bacterial colonies with the lac+ genotype. X−Gal is cleaved by β−galactosidase to yield an insoluble blue precipitate. X−Gal is particularly useful in molecular biology applications to detect the activity of β−galactosidase which is frequently used as a reporter gene. In cloning, X−Gal is used to detect insertion of foreign DNA into the lacZ region of plasmid DNA using α-complementation which is based on vectors such as the pUC and the M13mp series that carry a fragment of the β-galactosidase gene encoding an α-fragment of β-galactosidase.

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(2R,5R)-1-[2-[(2R,5R)-2,5-diethylphospholan-1-yl]ethyl]-2,5-diethylphospholane 97+%

Supplier: Thermo Scientific
Description: (2R,5R)-1-[2-[(2R,5R)-2,5-diethylphospholan-1-yl]ethyl]-2,5-diethylphospholane 97+%

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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
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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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