Chromatography and Mass Spectrometry

Avantor has the resources to make your Chromatography or Mass Spectrometry applications run efficiently and effectively—from the measuring apparatus needed for chromatography, or the proteins used to fulfill sample manipulation during mass spectrometry.

The VWR Chromatography Advantage

The products you use, the products you need, the suppliers you trust for chromatography.

Analytical Chemistry

Avantor carries a broad range of trusted products to help you meet the needs of your lab applications and protocols. Our product offerings can help with biomedical research, forensic work, and clinical diagnostics.

New Lab Start-Up Program

Find everything you need to start setting up your lab, including special savings, checklists, and more...

Science Delivered

From scientific discovery to scale-up and commercial delivery, Avantor offers mission-critical products, services and solutions on a global scale.

Supporting Research on COVID-19

Easy access to products and protocols for research use only in the identification of 2019-nCoV based on Centers for Disease Control and Prevention (CDC) recommendations

Moving forward. Together.

So much has changed during this unprecedented time, except your ability to count on Avantor. We continue to set science in motion to create a better world by providing you with the right solutions to keep moving forward.

Avantor fluid handling solutions

Avantor supports end-to-end fluid management solutions – including peristaltic pumps and aseptic fluid transfer solutions – that are reliable and customer-centric, helping bioprocessing manufacturers meet their research and production goals.

Try our pump finder tool or configure a complete system

Simple tools to get top recommended peristaltic pumps or configure you system by choosing compatible components.

Mining Lab Supplies

VWR/Anachemia continues to be the undisputed leader when it comes to supplying laboratories conducting mineral analyses around the world...

Office Supplies

VWR is your complete source for workplace supplies. Binders, calendars, pens, cleaning and sanitation supplies, and office equipment are just some of the essential products we offer...

J.T.Baker® Robotic Tips and Plates

New Avantor® J.T.Baker® premium conductive and non-conductive robotic tips deliver superior quality and reliable performance for results you can trust.

Avantor Services

As your trusted, collaborative partner, Avantor Services helps you increase efficiency, maximize productivity, and accelerate innovation.

The support you need to optimize operations

Avantor Services provides a wide range of specialized services and digital solutions to help you solve complex challenges.

We’ve built our reputation on consistent, comprehensive mastery of day-to-day operations, allowing lab, clinical, and production environments to focus their high-value resources on core scientific priorities.

As our customers’ needs have evolved, so have our capabilities. We have become experts in scientific operations, improving performance with sophisticated solutions and providing guidance on best practices.

You can select and customize services for peak efficiency, quality, and accelerated innovation.

For more information, call 1.888.793.2300.

VWR Custom Manufacturing Services

High-quality chemicals and services, customized to your product or manufacturing needs...

VWR enables the advancement of science by providing high-quality chemicals and services, customized to your product or manufacturing needs.

We use operational excellence to deliver solutions that enable research, testing, production, and commercialization across the globe.

Our Core Capabilities Include:

Custom Liquid Manufacturing
Custom Liquid Dosing and Packaging
Custom Powder Manufacturing
Powder Dosing and Packaging
Assembly and Finishing

Contact VWR Custom Manufacturing Services at 1.800.932.5000 or VWRCustom@vwr.com.

e-Commerce / mobile technology solutions

In addition to vwr.com, VWR, part of Avantor offers a state-of-the-art technology solutions portfolio.

Avantor Equipment & Instrument Services

With our team of accredited service providers, we can be your single point of contact for all equipment & instrument service needs...

Pipette Calibration & Volumetric Testing

The Equipment & Instrument Service Team’s focus is to provide comprehensive service solutions for our customers. We provide validation, calibration, preventative maintenance, and extended warranties on all equipment & instruments in and around the laboratory.

For additional information call 1.888.793.2300 or email us at equipmentservices.us@avantorsciences.com

Exciting changes are coming soon—your Punchout account will be redirected and migrated to a new platform on June 16 to enhance your experience! If your company requires our new web certificate and IP address, these can be found here at the very bottom of the page under ‘B2B Avantorsciences.com and Wardsci.com punchout IP and certificates’.

You Searched For: Silicone Stoppers

Creating a vacuum-tight seal in laboratory apparatuses, the silicone stoppers protect contained solutions and media from being affected by outside elements. The chemically neutral construction is compatible with even abrasive working solvents. With the material also being characteristically resistant to extreme temperatures, the closures will resist cracking when subjected to heating procedures and are autoclavable for reuse. Silicone stoppers have a tapered bottom in various diameter sizes to fit any vessel.

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Versilic Stopper, 45D Silicone

Description: Bottom: 36. Top: 44. H: 40. Non-toxic and chemically and biologically neutral. Highly recommended for all tissue culture work. Suitable for temperatures between -70[degree]C and + 250[degree]C. Odorless and tasteless. Non-adherent and resistant to aging.

Catalog Number: 66111-276

Supplier: Saint Gobain Performance Plastics

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Versilic Stopper, 34D Silicone

Description: Bottom: 29. Top: 35. H: 30. Non-toxic and chemically and biologically neutral. Highly recommended for all tissue culture work. Suitable for temperatures between -70[degree]C and + 250[degree]C. Odorless and tasteless. Non-adherent and resistant to aging.

Catalog Number: 66111-270

Supplier: Saint Gobain Performance Plastics

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Versilic Stopper, 38D Silicone

Description: Bottom: 31. Top: 38. H: 35. Non-toxic and chemically and biologically neutral. Highly recommended for all tissue culture work. Suitable for temperatures between -70[degree]C and + 250[degree]C. Odorless and tasteless. Non-adherent and resistant to aging.

Catalog Number: 66111-272

Supplier: Saint Gobain Performance Plastics

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Versilic Stopper, 75D Silicone

Description: Bottom: 64.5. Top: 75.5. H: 55. Non-toxic and chemically and biologically neutral. Highly recommended for all tissue culture work. Suitable for temperatures between -70[degree]C and + 250[degree]C. Odorless and tasteless. Non-adherent and resistant to aging.

Catalog Number: 66111-288

Supplier: Saint Gobain Performance Plastics

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Versilic Stopper, 21D Silicone

Description: Bottom: 17. Top: 22. H: 25. Non-toxic and chemically and biologically neutral. Highly recommended for all tissue culture work. Suitable for temperatures between -70[degree]C and + 250[degree]C. Odorless and tasteless. Non-adherent and resistant to aging.

Catalog Number: 66111-260

Supplier: Saint Gobain Performance Plastics

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25mm Filtration Assemblies, Components, Silicone Stopper, No. 5

Description: 25mm Filtration Assemblies with No. 5 Stopper Connections, With Stainless Steel Support. This unit is designed for filtering viscous or proteinaceous solutions or to produce ultraclean filtrate.

Catalog Number: 27589-092

Supplier: DWK Life Sciences (KIMBLE)

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47mm Filtration Assemblies, Components, Silicone Stopper, No. 8

Description: 47mm Filtration Assemblies With No. 8 Stopper Connection. These filtration assemblies are recommended for routine filtration of aqueous solutions.

Catalog Number: 27589-108

Supplier: DWK Life Sciences (KIMBLE)

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