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C18 Columns

HPLC columns with octadecyl (ODS or C18) functionalized phases. GL Sciences C18 columns feature high end-capping resulting in extremely low operating back-pressure, superior inertness and wide solvent compatibility. Inertsil ODS columns have long been widely used in the analysis of compounds in pharmaceutical, food & beverage, mining, petrochemical and other industries. New InertSustain and InertCore C18 columns further provide more features and better performance. Explore our selection of C18 columns available in a wide variety of particle sizes and dimensions. Read more

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Picture of Inertsil ODS-3 HPLC Column, 5 µm, 250 x 4.0 mm (analytical)
Inertsil ODS-3 HPLC Column, 5 µm, 250 x 4.0 mm (analytical)
SKU# 5020-01762
$680.00
Picture of Inertsil ODS-3 HPLC Column, 5 µm, 30 x 4.6 mm (analytical)
Inertsil ODS-3 HPLC Column, 5 µm, 30 x 4.6 mm (analytical)
SKU# 5020-04540
$540.00
Picture of Inertsil ODS-3 HPLC Column, 5 µm, 33 x 4.6 mm (analytical)
Inertsil ODS-3 HPLC Column, 5 µm, 33 x 4.6 mm (analytical)
SKU# 5020-04541
$540.00
Picture of Inertsil ODS-3 HPLC Column, 5 µm, 50 x 4.6 mm (analytical)
Inertsil ODS-3 HPLC Column, 5 µm, 50 x 4.6 mm (analytical)
SKU# 5020-01763
$540.00
Picture of Inertsil ODS-3 HPLC Column, 5 µm, 75 x 4.6 mm (analytical)
Inertsil ODS-3 HPLC Column, 5 µm, 75 x 4.6 mm (analytical)
SKU# 5020-01764
$570.00
5020-15509 Inertsil ODS-P Capillary EX-Nano Column, 3 µm, 150 x 0.2 mm
Inertsil ODS-P Capillary EX-Nano Column, 3 µm, 150 x 0.2 mm
SKU# 5020-15509
$1,080.00
5020-11509 Inertsil ODS-P Capillary EX Column, 3 µm, 50 x 0.3 mm
Inertsil ODS-P Capillary EX Column, 3 µm, 50 x 0.3 mm
SKU# 5020-11509
$850.00
5020-11559 Inertsil ODS-P Capillary EX Column, 3 µm, 150 x 0.3 mm
Inertsil ODS-P Capillary EX Column, 3 µm, 150 x 0.3 mm
SKU# 5020-11559
$1,020.00
5020-11609 Inertsil ODS-P Capillary EX Column, 3 µm, 50 x 0.5 mm
Inertsil ODS-P Capillary EX Column, 3 µm, 50 x 0.5 mm
SKU# 5020-11609
$850.00
5020-11659 Inertsil ODS-P Capillary EX Column, 3 µm, 150 x 0.5 mm
Inertsil ODS-P Capillary EX Column, 3 µm, 150 x 0.5 mm
SKU# 5020-11659
$1,020.00
5020-11709 Inertsil ODS-P Capillary EX Column, 3 µm, 50 x 0.7 mm
Inertsil ODS-P Capillary EX Column, 3 µm, 50 x 0.7 mm
SKU# 5020-11709
$850.00
5020-11759 Inertsil ODS-P Capillary EX Column, 3 µm, 150 x 0.7 mm
Inertsil ODS-P Capillary EX Column, 3 µm, 150 x 0.7 mm
SKU# 5020-11759
$1,020.00
Picture of Inertsil ODS-P HPLC Column, 3 µm, 33 x 1.0 mm (analytical)
Inertsil ODS-P HPLC Column, 3 µm, 33 x 1.0 mm (analytical)
SKU# 5020-84731
$710.00
Picture of Inertsil ODS-P HPLC Column, 3 µm, 50 x 1.0 mm (analytical)
Inertsil ODS-P HPLC Column, 3 µm, 50 x 1.0 mm (analytical)
SKU# 5020-84732
$710.00
Picture of Inertsil ODS-P HPLC Column, 3 µm, 75 x 1.0 mm (analytical)
Inertsil ODS-P HPLC Column, 3 µm, 75 x 1.0 mm (analytical)
SKU# 5020-84733
$810.00
Picture of Inertsil ODS-P HPLC Column, 3 µm, 100 x 1.0 mm (analytical)
Inertsil ODS-P HPLC Column, 3 µm, 100 x 1.0 mm (analytical)
SKU# 5020-84734
$810.00
Picture of Inertsil ODS-P HPLC Column, 3 µm, 150 x 1.0 mm (analytical)
Inertsil ODS-P HPLC Column, 3 µm, 150 x 1.0 mm (analytical)
SKU# 5020-84735
$950.00
Picture of Inertsil ODS-P HPLC Column, 3 µm, 250 x 1.0 mm (analytical)
Inertsil ODS-P HPLC Column, 3 µm, 250 x 1.0 mm (analytical)
SKU# 5020-84736
$1,150.00
Picture of Inertsil ODS-P HPLC Column, 3 µm, 33 x 1.5 mm (analytical)
Inertsil ODS-P HPLC Column, 3 µm, 33 x 1.5 mm (analytical)
SKU# 5020-84741
$710.00
Picture of Inertsil ODS-P HPLC Column, 3 µm, 50 x 1.5 mm (analytical)
Inertsil ODS-P HPLC Column, 3 µm, 50 x 1.5 mm (analytical)
SKU# 5020-84742
$710.00
Picture of Inertsil ODS-P HPLC Column, 3 µm, 75 x 1.5 mm (analytical)
Inertsil ODS-P HPLC Column, 3 µm, 75 x 1.5 mm (analytical)
SKU# 5020-84743
$810.00
Picture of Inertsil ODS-P HPLC Column, 3 µm, 100 x 1.5 mm (analytical)
Inertsil ODS-P HPLC Column, 3 µm, 100 x 1.5 mm (analytical)
SKU# 5020-84744
$810.00
Picture of Inertsil ODS-P HPLC Column, 3 µm, 150 x 1.5 mm (analytical)
Inertsil ODS-P HPLC Column, 3 µm, 150 x 1.5 mm (analytical)
SKU# 5020-84745
$950.00
Picture of Inertsil ODS-P HPLC Column, 3 µm, 250 x 1.5 mm (analytical)
Inertsil ODS-P HPLC Column, 3 µm, 250 x 1.5 mm (analytical)
SKU# 5020-84746
$1,150.00
Picture of Inertsil ODS-P HPLC Column, 3 µm, 30 x 2.1 mm (analytical)
Inertsil ODS-P HPLC Column, 3 µm, 30 x 2.1 mm (analytical)
SKU# 5020-04660
$570.00
Picture of Inertsil ODS-P HPLC Column, 3 µm, 33 x 2.1 mm (analytical)
Inertsil ODS-P HPLC Column, 3 µm, 33 x 2.1 mm (analytical)
SKU# 5020-04661
$570.00
Picture of Inertsil ODS-P HPLC Column, 3 µm, 50 x 2.1 mm (analytical)
Inertsil ODS-P HPLC Column, 3 µm, 50 x 2.1 mm (analytical)
SKU# 5020-04662
$570.00
Picture of Inertsil ODS-P HPLC Column, 3 µm, 75 x 2.1 mm (analytical)
Inertsil ODS-P HPLC Column, 3 µm, 75 x 2.1 mm (analytical)
SKU# 5020-04663
$610.00
Picture of Inertsil ODS-P HPLC Column, 3 µm, 100 x 2.1 mm (analytical)
Inertsil ODS-P HPLC Column, 3 µm, 100 x 2.1 mm (analytical)
SKU# 5020-04664
$610.00
Picture of Inertsil ODS-P HPLC Column, 3 µm, 150 x 2.1 mm (analytical)
Inertsil ODS-P HPLC Column, 3 µm, 150 x 2.1 mm (analytical)
SKU# 5020-04665
$660.00
Picture of Inertsil ODS-P HPLC Column, 3 µm, 250 x 2.1 mm (analytical)
Inertsil ODS-P HPLC Column, 3 µm, 250 x 2.1 mm (analytical)
SKU# 5020-04666
$720.00
Picture of Inertsil ODS-P HPLC Column, 3 µm, 30 x 3.0 mm (analytical)
Inertsil ODS-P HPLC Column, 3 µm, 30 x 3.0 mm (analytical)
SKU# 5020-04670
$570.00
Picture of Inertsil ODS-P HPLC Column, 3 µm, 33 x 3.0 mm (analytical)
Inertsil ODS-P HPLC Column, 3 µm, 33 x 3.0 mm (analytical)
SKU# 5020-04671
$570.00
Picture of Inertsil ODS-P HPLC Column, 3 µm, 50 x 3.0 mm (analytical)
Inertsil ODS-P HPLC Column, 3 µm, 50 x 3.0 mm (analytical)
SKU# 5020-04672
$570.00
Picture of Inertsil ODS-P HPLC Column, 3 µm, 75 x 3.0 mm (analytical)
Inertsil ODS-P HPLC Column, 3 µm, 75 x 3.0 mm (analytical)
SKU# 5020-04673
$610.00
Picture of Inertsil ODS-P HPLC Column, 3 µm, 100 x 3.0 mm (analytical)
Inertsil ODS-P HPLC Column, 3 µm, 100 x 3.0 mm (analytical)
SKU# 5020-04674
$610.00
Picture of Inertsil ODS-P HPLC Column, 3 µm, 150 x 3.0 mm (analytical)
Inertsil ODS-P HPLC Column, 3 µm, 150 x 3.0 mm (analytical)
SKU# 5020-04675
$660.00
Picture of Inertsil ODS-P HPLC Column, 3 µm, 250 x 3.0 mm (analytical)
Inertsil ODS-P HPLC Column, 3 µm, 250 x 3.0 mm (analytical)
SKU# 5020-04676
$720.00
Picture of Inertsil ODS-P HPLC Column, 3 µm, 30 x 4.0 mm (analytical)
Inertsil ODS-P HPLC Column, 3 µm, 30 x 4.0 mm (analytical)
SKU# 5020-04680
$570.00
Picture of Inertsil ODS-P HPLC Column, 3 µm, 33 x 4.0 mm (analytical)
Inertsil ODS-P HPLC Column, 3 µm, 33 x 4.0 mm (analytical)
SKU# 5020-04681
$570.00
Picture of Inertsil ODS-P HPLC Column, 3 µm, 50 x 4.0 mm (analytical)
Inertsil ODS-P HPLC Column, 3 µm, 50 x 4.0 mm (analytical)
SKU# 5020-04682
$570.00
Picture of Inertsil ODS-P HPLC Column, 3 µm, 75 x 4.0 mm (analytical)
Inertsil ODS-P HPLC Column, 3 µm, 75 x 4.0 mm (analytical)
SKU# 5020-04683
$610.00
Picture of Inertsil ODS-P HPLC Column, 3 µm, 100 x 4.0 mm (analytical)
Inertsil ODS-P HPLC Column, 3 µm, 100 x 4.0 mm (analytical)
SKU# 5020-04684
$610.00
Picture of Inertsil ODS-P HPLC Column, 3 µm, 150 x 4.0 mm (analytical)
Inertsil ODS-P HPLC Column, 3 µm, 150 x 4.0 mm (analytical)
SKU# 5020-04685
$660.00
Picture of Inertsil ODS-P HPLC Column, 3 µm, 250 x 4.0 mm (analytical)
Inertsil ODS-P HPLC Column, 3 µm, 250 x 4.0 mm (analytical)
SKU# 5020-04686
$720.00
Picture of Inertsil ODS-P HPLC Column, 3 µm, 30 x 4.6 mm (analytical)
Inertsil ODS-P HPLC Column, 3 µm, 30 x 4.6 mm (analytical)
SKU# 5020-04690
$570.00
Picture of Inertsil ODS-P HPLC Column, 3 µm, 33 x 4.6 mm (analytical)
Inertsil ODS-P HPLC Column, 3 µm, 33 x 4.6 mm (analytical)
SKU# 5020-04691
$570.00
Picture of Inertsil ODS-P HPLC Column, 3 µm, 50 x 4.6 mm (analytical)
Inertsil ODS-P HPLC Column, 3 µm, 50 x 4.6 mm (analytical)
SKU# 5020-04692
$570.00
Picture of Inertsil ODS-P HPLC Column, 3 µm, 75 x 4.6 mm (analytical)
Inertsil ODS-P HPLC Column, 3 µm, 75 x 4.6 mm (analytical)
SKU# 5020-04693
$610.00
Picture of Inertsil ODS-P HPLC Column, 3 µm, 100 x 4.6 mm (analytical)
Inertsil ODS-P HPLC Column, 3 µm, 100 x 4.6 mm (analytical)
SKU# 5020-04694
$610.00

C18 Columns Specification​

Column Features USP Code Particle Size (µm) Pore Size (nm) Surface Area (m2/g) Carbon Loading  End-Capping  Inertness
 
 Recommended pH range
InertSustain C18 First choice with ultra-high inertness and high durability

L1

2, 3, 5, 10

 10 350 14 Yes ★★★★★ 1 - 10
InertSustain AQ-C18  First choice for high polar compounds L1, L96 1.9, 3, 5 10 350 13 Yes ★★★★★ 1 - 10
InertSustainSwift C18  First analysis with ultra-high inertness and high durability L1 1.9, 3, 5 20 200 9 Yes ★★★★★ 1 - 10
InertSustain AX-C18 Analysis of anionic highly polar compounds L1, L78 3, 5  20 200 8 Yes ★★★★ 1 - 9
InertCore Plus C18 Ideal for analyses requiring a high number of theoretical stages  L1 2.6 9 200 15  Yes ★★★★ 1 - 10
Inertsil ODS-HL Ultra-high retentivity, High-density bonding of C18 phase L1 3, 5 10 450 23 Yes ★★★★★ 2 - 7.5
Inertsil ODS-4 Ultra-high inertness, High plate count, Medium retentivity L1 2, 3, 5 10 450 11 Yes ★★★★★ 2 - 7.5
Inertsil ODS-4V Inertsil ODS-4 Validated column L1 3, 5 10 450 11 Yes ★★★★★ 2 - 7.5
Inertsil ODS-3 Strong retentivity, Lower column backpressure, Very inert L1 2, 3, 4, 5, 10 10 450 15 Yes ★★★★ 2 - 7.5
Inertsil ODS-3V Inertsil ODS-3 Validated column  L1 3, 5 10 450 15 Yes ★★★★ 2 - 7.5
Inertsil ODS-SP Weak retentivity, for hydrophobic compounds L1 3, 5 10 450 8.5 Yes ★★★★ 2 - 7.5
Inertsil ODS-P  High steric selectivity L1 3, 5 10 450 29 None ★★★  2 - 7.5
Inertsil ODS-EP  A polar functional group embedded  L1 5 10 450 9 None ★★★★ 2 - 7.5
Inertsil WP300 C18  Analysis of high molecules  L1 5 30 150 9 Yes ★★★★ 2 - 7.5
Inertsil ODS-2 Ultra-pure silica gel is used L1 5 15 320 18.5 Yes ★★★★ 2 - 7.5
Inertsil ODS Inertness 1st generation  L1 5, 10 10 350 14 Yes ★★ 2 - 7.5
 

History of GL Sciences C18 Column Development

 

We have been steadily supplying columns from first-generation Inertsil ODS to the latest InertSustain series integrating state-of-the-art technologies, establishing an excellent reputation worldwide. The same high-quality, high-performance columns are provided to all customers.

GL Sciences HPLC columns worldwide
History of GL Sciences C18 Column Development
 

C18 Column Selection

Compounds with Molecular Weight <5,000

C18 columns selection based on retention
C18 columns selection based on selectivity
 

Compounds with Molecular Weight <5,000

C18 columns selection for high molecular weight compounds
 

C18 Columns Resources:​

  • Download GL Sciences 2022 HPLC Column Catalog - Download & Discover GL Sciences' C18 Columns
  • Search Application Notes For C18 Columns - Applications Search (C18 Columns)
  • HPLC C18 Columns’ Specifications -  Summary of GL Sciences HPLC Column Specifications. Learn More
  • HPLC C18 Column Selection Overview - Separation mode selection for analyte polarity & HPLC column selection for analyte properties. Learn More
  • HPLC Column Selection By USP -  Recommended GL Sciences HPLC Columns based on USP Code. Learn More
  • HPLC Column End Fittings -  Summary of GL Sciences' end-fitting style & recommended operating pressure. Learn More
  • Reversed Phase HPLC Column Selection Guide - Download Reverse Phase HPLC Column Selection Guide. Learn More
  • How to Select a Guard Column - Download guide to select the right guard column. Learn More
  • Choosing Preparative Column -  Download Guide to select the right preparative column. Learn More
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