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Product Image-97063-702

Trypan blue 0.4% in aqueous solution ready-to-use, sterile

Catalog Number: (97063-702)
Supplier: VWR
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.

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Image Unavailable-CA11024-438

Xylenol orange tetrasodium salt ACS

Catalog Number: (CA11024-438)
Supplier: Spectrum Chemicals
Description: Xylenol Orange, Water Soluble, Reagent, ACS is a reagent used in organic chemistry. It is used as a tetrasodium salt as an indicator for metal titrations. When it is used for metal titrations it will appear red in the titrand and then it will turn yellow once it reaches its endpoint. The Reagent grade denotes that this chemical is the highest quality commercially available and that the American Chemical Society has not officially set any specifications for this material. Spectrum Chemical manufactured Reagent grade products meet the toughest regulatory standards for quality and purity.

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Image Unavailable-CAAA41379-09

Xylenol orange tetrasodium salt ACS

Supplier: Thermo Scientific Chemicals
Description: MDL: MFCD00044293

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Image Unavailable-TCA5010-005G

Sulfonazo III sodium salt ≥90.0% (by HPLC)

Supplier: TCI America
Description: [Spectrophotometric reagent for alkaline earth metals and indicator for the precipitation titration of SO4 with Ba]
CAS Number: 68504-35-8
MDL Number: MFCD00003942
Molecular Formula: C22H16N4O14S4
Molecular Weight: 776.55
Purity/Analysis Method: >90.0% (HPLC)
Form: Crystal

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Image Unavailable-TCB0478-001G

Methylthymol blue sodium salt ≥98.0% (by HPLC)

Supplier: TCI America
Description: CAS Number: 1945-77-3
MDL Number: MFCD00148905
Molecular Formula: C37H44N2O13S
Molecular Weight: 844.75
Purity/Analysis Method: >98.0% (HPLC)
Form: Crystal

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Image Unavailable-TCS0477-1G

4-Sulfothiacalix[4]arene sodium salt ≥98.0% (by HPLC)

Supplier: TCI America
Description: CAS Number: 211561-04-5
MDL Number: MFCD06797166
Molecular Formula: C24H16O16S8
Molecular Weight: 904.78
Purity/Analysis Method: >98.0% (HPLC)
Form: Crystal
Color: White
Melting point (°C): 390

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Image Unavailable-CAAA30538-MD

Tetrasodium meso-tetra(sulfonatophenyl)porphine dodecahydrate ≥95%

Supplier: Thermo Scientific Chemicals
Description: Tetrasodium meso-tetra(sulfonatophenyl)porphine dodecahydrate ≥95%

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Image Unavailable-TCB2135-500G

Tetrasodium-N,N-bis(carboxymethyl)-L-glutamate ∼40% in water

Supplier: TCI America
Description: CAS Number: 51981-21-6
MDL Number: MFCD01862262
Molecular Formula: C9H13NO8
Molecular Weight: 351.13
Form: Clear Liquid
Color: Slightly Pale Yellow
Specific rotation [a]20/D: 10 deg (neat)

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Image Unavailable-CA82024-256

Trypan blue 0.4% in PBS

Catalog Number: (CA82024-256)
Supplier: Cytiva
Description: Trypan Blue solution, 0,4%, is routinely used as a cell stain to assess cell viability using the dye exclusion test.

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Image Unavailable-TCT0556-025G

Trypan blue

Catalog Number: (TCT0556-025G)
Supplier: TCI America
Description: CAS Number: 72-57-1
MDL Number: MFCD00003969
Molecular Formula: C34H28N6O14S4
Molecular Weight: 960.79
Form: Crystal
Color: Deep Green

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Product Image-89138-848

Ponceau S 0.1 % (w/v) in 5% acetic acid staining solution

Catalog Number: (89138-848)
Supplier: Biotium
Description: Ponceau S staining solution is used for the detection of proteins on PVDF and nitrocellulose membranes with a limit of detection of about 250 ng of transferred protein.
Image Unavailable-CA1.06084.0005

Methylthymol blue sodium salt indicator for metal titration, Supelco®

Supplier: MilliporeSigma
Description: Cas Number 1945-77-3

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Image Unavailable-89139-492

Tris(bathophenanthrolinedisulfonate)ruthenium(II) sodium salt fluorescent dye, for histology

Catalog Number: (89139-492)
Supplier: Biotium
Description: RuBPS (Ruthenium(tris(bathophenanthrolinedisulfonate), tetrasodium salt) is a negatively-charged water-soluble luminescent ruthenium complex. The complex can be efficiently excited by either UV light or visible light in the wavelength range from 400 nm to 500 nm with bright red emission centered around 605 nm.
Image Unavailable-CAAAAL09381-06

Methylthymol blue sodium salt

Catalog Number: (CAAAAL09381-06)
Supplier: Thermo Scientific Chemicals
Description: Methylthymol blue sodium salt

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Product Image-89148-666

Bovine Native Ganglioside GQ1b . Tetrasodium Salt (from Brain)

Supplier: Enzo Life Sciences
Description: Specifically promotes neural differentiation of human neuroblastoma cells.

Image Unavailable-76236-520

Ponceau S solution

Catalog Number: (76236-520)
Supplier: Rockland Immunochemical
Description: Ponceau S solution
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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 1-800-932-5000.
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 1-800-932-5000.
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To order chemicals, medical devices, or other restricted products please provide identification that includes your business name and shipping address via email CMD_NA@vwr.com or fax 484.881.5997 referencing your VWR account number . Acceptable forms of identification are:

  • issued document with your organization's Federal Tax ID Number
  • Government issued document with your organization's Resale Tax ID Number
  • Any other Government ID that includes the business name and address


VWR will not lift restrictions for residential shipping addresses.

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