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Bindschedler's green leuco base ≥98.0% (by HPLC, titration analysis)

Supplier: TCI America
Description: CAS Number: 637-31-0
MDL Number: MFCD00059291
Molecular Formula: C16H21N3
Molecular Weight: 255.37
Purity/Analysis Method: >98.0% (HPLC,T)
Form: Crystal
Melting point (°C): 121

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Leuco malachite green

Supplier: Thermo Scientific Chemicals
Description: Leuco malachite green

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Leuco malachite green ≥98.0% (by titrimetric analysis)

Supplier: TCI America
Description: CAS Number: 129-73-7
MDL Number: MFCD00008315
Molecular Formula: C23H26N2
Molecular Weight: 330.48
Purity/Analysis Method: >98.0% (T)
Form: Crystal
Melting point (°C): 102

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Leuco crystal violet ≥98.0% (by HPLC, titration analysis)

Supplier: TCI America
Description: CAS Number: 603-48-5
MDL Number: MFCD00008314
Molecular Formula: C25H31N3
Molecular Weight: 373.54
Purity/Analysis Method: >98.0% (HPLC,T)
Form: Crystal
Melting point (°C): 178

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Image Unavailable-CA11024-348

Leuco crystal violet

Catalog Number: (CA11024-348)
Supplier: Spectrum Chemical Mfg. Corp.
Description: Leuco Crystal Violet, also known as methyl violet, can be used medicinally and as a dye.

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Image Unavailable-TCB0207-001G

Benzoyl leuco methylene blue ≥96.0% (by HPLC, titration analysis)

Supplier: TCI America
Description: CAS Number: 1249-97-4
MDL Number: MFCD00059153
Molecular Formula: C23H23N3OS
Molecular Weight: 389.52
Purity/Analysis Method: >96.0% (HPLC,T)
Form: Crystal
Melting point (°C): 198

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Product Image-59589-154

VWR® Green Neoprene Stoppers, Solid

Supplier: VWR International
Description: Synthetic, neoprene stoppers contain no free sulfur and exhibit good resiliency and shelf-life.

Product Image-75846-072

VWR® Flexible Multi-Tube Racks

Supplier: VWR International
Description: This rack is truly adaptable, as each well adjusts to accommodate 7 to 50 mL tube sizes and holds them in a firm upright position.

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Leucoquinizarin ≥98.0% (by HPLC)

Supplier: TCI America
Description: CAS Number: 476-60-8
MDL Number: MFCD00058948
Molecular Formula: C14H10O4
Molecular Weight: 242.23
Purity/Analysis Method: >98.0% (HPLC)
Form: Crystal
Color: Yellow
Melting point (°C): 151

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Image Unavailable-75784-052

Succinimidyl ester methylene blue DNA/RNA binding dye

Catalog Number: (75784-052)
Supplier: Biotium
Description: The amine reactive succinimidyl ester of MB (methylene blue) can be conjugated to peptides, proteins, drugs, polymeric materials and biomolecules with primary amine groups. The conjugate will have a blue color and be able to complex with nucleic acids. Methylene blue is a well known redox dye which can be reversibly reduced to its colorless leuco form. Upon oxidation, the blue color of the dye is recovered.

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Product Image-89236-080

VWR® Cryo Boxes

Supplier: VWR International
Description: Cryo boxes are suitable to store up to –186 °C.

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Product Image-89235-996

VWR® Stackable Freezer Boxes

Supplier: VWR International
Description: VWR® Stackable Freezer Boxes are suitable to store in temperatures as low as –86 °C.

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Malachite green oxalate

Supplier: Thermo Scientific Chemicals
Description: Biological stain, dye reagent, acid base indicator: pH 0.0 yellow, 2.0 green;11.6 green, 14 colorless

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Product Image-100500-978

Embedding Rings, Electron Microscopy Sciences

Supplier: Electron Microscopy Sciences
Description: Molded from the highest quality plastic, our Embedding Rings fit most base molds. For added convenience, there are four colors from which to choose Blue, Pink, Green, Yellow. The large writing surface further eases identification and handling. The base measures 1 5/8 x 1 1/8" and the ring measures 25 x 25 mm (1 x 1").

Minority or Woman-Owned Business Enterprise

Image Unavailable-103010-114

SensoLyte® MG Phosphate Assay Kit (Colorimetric), AnaSpec

Catalog Number: (103010-114)
Supplier: Anaspec Inc
Description: The MG (Malachite Green) Phosphate Assay Kit is based on quantification of the green complex formed between Malachite Green, molybdate, and free orthophosphate
Product Image-89156-424

BIOMOL® Green, Enzo Life Sciences

Supplier: Enzo Life Sciences
Description: BIOMOL Green™ provides a simple and convenient method for colorimetric phosphate quantitation (abs. 600-680 nm). Unlike other molybdate/malachite green-based assays, BIOMOL Green™ doesn’t require multiple solutions or reagents prepared fresh on the day of the assay. BIOMOL Green™ is extremely stable (>6 mos. at 4°C) and is simply mixed, at room temperature, with any enzymatic reaction that has released free phosphate. Reported applications include assays for phospholipid phosphatases, tyrosyl-tRNA synthetase (coupled with pyrophosphatase) and a viral RNA triphosphatase.BIOMOL Green™ has perhaps been most widely applied to protein phosphatase assays. Typically, a protein phosphatase (e.g. PTP1B or LAR) is simply incubated with an appropriate phosphopeptide (e.g. IR5,9,10). Addition of BIOMOL Green™ stops the reaction and begins color development, which is read 20-30 min. later.BIOMOL Green™ may be used in cuvette or microplate-based assays and is ideal for high-throughput applications. Each kit comes with a standardized phosphate solution for assay calibration.

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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
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