End of 2025 Sale! Buy 10, Get 1 FREE from Nov 11 to Dec 25, No Coupon Code Needed!

Online checkout is currently available in the U.S. Contact us to make a purchase if you live in other countries!

Only 1 left in stock! Get 10 mL Disposable HPLC Lab Syringe (100 pcs) now — before anyone else!

Visit WelchLab for a comprehensive collection of laboratory consumables, including glassware, plasticware, and more!

Products

8181 products

Xtimate C18, 5µm, 21.2×50mm, 120Å (1pcs/pk)

P/N: 01610-21104

$1,850.00 USD

$1,850.00 USD

Welch preparative column uses the same packing materials as does analytical column, to ensure the best reproducibility of analysis and preparative scale. Special packing technique and stainless mod...

Xtimate C18, 5µm, 3.0×100mm (1pcs/pk)

P/N: 00101-21021

$610.00 USD

$610.00 USD

Xtimate C18 column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix. Specifically designed for liquid chromatography method development, it allo...

Xtimate C18, 5µm, 3.0×125mm (1pcs/pk)

P/N: 00101-21022

$660.00 USD

$660.00 USD

Xtimate C18 column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix. Specifically designed for liquid chromatography method development, it allo...

Xtimate C18, 5µm, 3.0×150mm (1pcs/pk)

P/N: 00101-21023

$650.00 USD

$650.00 USD

Xtimate C18 column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix. Specifically designed for liquid chromatography method development, it allo...

Xtimate C18, 5µm, 3.0×200mm (1pcs/pk)

P/N: 00101-21024

$660.00 USD

$660.00 USD

Xtimate C18 column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix. Specifically designed for liquid chromatography method development, it allo...

Xtimate C18, 5µm, 3.0×250mm (1pcs/pk)

P/N: 00101-21025

$680.00 USD

$680.00 USD

Xtimate C18 column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix. Specifically designed for liquid chromatography method development, it allo...

Xtimate C18, 5µm, 3.0×30mm (1pcs/pk)

P/N: 00101-21018

$560.00 USD

$560.00 USD

Xtimate C18 column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix. Specifically designed for liquid chromatography method development, it allo...

Xtimate C18, 5µm, 3.0×50mm (1pcs/pk)

P/N: 00101-21019

$580.00 USD

$580.00 USD

Xtimate C18 column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix. Specifically designed for liquid chromatography method development, it allo...

Xtimate C18, 5µm, 3.0×75mm (1pcs/pk)

P/N: 00101-21020

$600.00 USD

$600.00 USD

Xtimate C18 column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix. Specifically designed for liquid chromatography method development, it allo...

Xtimate C18, 5µm, 3.9×150mm (1pcs/pk)

P/N: 00101-21067

$730.00 USD

$730.00 USD

Xtimate C18 column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix. Specifically designed for liquid chromatography method development, it allo...

Xtimate C18, 5µm, 3.9×250mm (1pcs/pk)

P/N: 00101-21069

$760.00 USD

$760.00 USD

Xtimate C18 column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix. Specifically designed for liquid chromatography method development, it allo...

Xtimate C18, 5µm, 3.9×300mm (1pcs/pk)

P/N: 00101-21070

$810.00 USD

$810.00 USD

Xtimate C18 column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix. Specifically designed for liquid chromatography method development, it allo...

Xtimate C18, 5µm, 30×100mm, 120Å (1pcs/pk)

P/N: 01610-21129

$4,940.00 USD

$4,940.00 USD

Welch preparative column uses the same packing materials as does analytical column, to ensure the best reproducibility of analysis and preparative scale. Special packing technique and stainless mod...

Xtimate C18, 5µm, 30×150mm, 120Å (1pcs/pk)

P/N: 01610-21107

$6,420.00 USD

$6,420.00 USD

Welch preparative column uses the same packing materials as does analytical column, to ensure the best reproducibility of analysis and preparative scale. Special packing technique and stainless mod...

Xtimate C18, 5µm, 30×250mm, 120Å (1pcs/pk)

P/N: 01610-21108

$10,850.00 USD

$10,850.00 USD

Welch preparative column uses the same packing materials as does analytical column, to ensure the best reproducibility of analysis and preparative scale. Special packing technique and stainless mod...

Xtimate C18, 5µm, 4.0×100mm (1pcs/pk)

P/N: 00101-21030

$610.00 USD

$610.00 USD

Xtimate C18 column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix. Specifically designed for liquid chromatography method development, it allo...

Xtimate C18, 5µm, 4.0×125mm (1pcs/pk)

P/N: 00101-21031

$660.00 USD

$660.00 USD

Xtimate C18 column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix. Specifically designed for liquid chromatography method development, it allo...

Xtimate C18, 5µm, 4.0×150mm (1pcs/pk)

P/N: 00101-21032

$650.00 USD

$650.00 USD

Xtimate C18 column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix. Specifically designed for liquid chromatography method development, it allo...

Xtimate C18, 5µm, 4.0×200mm (1pcs/pk)

P/N: 00101-21033

$660.00 USD

$660.00 USD

Xtimate C18 column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix. Specifically designed for liquid chromatography method development, it allo...

Xtimate C18, 5µm, 4.0×250mm (1pcs/pk)

P/N: 00101-21034

$680.00 USD

$680.00 USD

Xtimate C18 column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix. Specifically designed for liquid chromatography method development, it allo...

Xtimate C18, 5µm, 4.0×300mm (1pcs/pk)

P/N: 00101-21035

$730.00 USD

$730.00 USD

Xtimate C18 column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix. Specifically designed for liquid chromatography method development, it allo...

Xtimate C18, 5µm, 4.0×30mm (1pcs/pk)

P/N: 00101-21027

$560.00 USD

$560.00 USD

Xtimate C18 column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix. Specifically designed for liquid chromatography method development, it allo...

Xtimate C18, 5µm, 4.0×50mm (1pcs/pk)

P/N: 00101-21028

$580.00 USD

$580.00 USD

Xtimate C18 column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix. Specifically designed for liquid chromatography method development, it allo...

Xtimate C18, 5µm, 4.0×75mm (1pcs/pk)

P/N: 00101-21029

$600.00 USD

$600.00 USD

Xtimate C18 column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix. Specifically designed for liquid chromatography method development, it allo...