WATERS 186003613 Xbridge Hplc Column BEH300 C18 3.5 4.6 150MM

( Brand: Waters ), ( Manufacturer Part Number: 186003613 ), ( Type: 4.6 X 150mm Column ), ( Country Of Origin: Ireland )

Review WATERS Xbridge C18 3.5 4.6 150mm Hplc Column

The **Waters 186003613 XBridge BEH300 C18 3.5 m, 4.6 mm 150 mm HPLC Column** is a high-performance analytical tool designed for demanding separation challenges in liquid chromatography, offering unparalleled precision and reliability for researchers and scientists in pharmaceutical, biopharmaceutical, and life sciences industries. Engineered with Waters proprietary **Ethylene-Bridged Hybrid (BEH) technology**, this column features a robust, chemically stable silica-based stationary phase that combines the best attributes of traditional silica and fully porous polymer particles. The **3.5-micron particle size** provides an optimal balance between high efficiency and reasonable backpressure, ensuring sharp, well-resolved peaks while maintaining compatibility with standard HPLC systems. With a **150 mm bed length**, the column delivers superior separation power for complex mixtures, including peptides, proteins, small molecules, and chiral compounds, making it ideal for method development, quality control, and routine analysis in pharmaceutical formulations, biologics, and environmental testing.

The **C18 (octadecyl) ligand chemistry** ensures strong retention of hydrophobic analytes while offering excellent selectivity for a wide range of compounds, from nonpolar drugs to polar metabolites. The **300 pore size** enhances the column s ability to accommodate larger biomolecules, such as proteins and peptides, without sacrificing efficiency, making it particularly valuable for biopharmaceutical applications where protein denaturation or peak tailing can be problematic. The **4.6 mm internal diameter** strikes a practical balance between sample throughput and sensitivity, allowing for consistent, reproducible results across diverse analytical workflows, from method validation to high-throughput screening. Built to withstand rigorous use, the column s durable construction minimizes column-to-column variability, ensuring long-term stability and repeatability critical factors in regulatory environments where compliance and data integrity are paramount.

Whether used in **reverse-phase HPLC (RP-HPLC), ultra-performance liquid chromatography (UPLC), or gradient elution techniques**, the XBridge BEH300 C18 column excels in delivering high-resolution separations with minimal peak asymmetry. Its compatibility with a broad range of mobile phases, including aqueous-organic mixtures and buffers, further expands its versatility, making it a go-to choice for laboratories seeking both performance and flexibility. For researchers focused on **chiral separations, impurity profiling, or the analysis of thermally labile compounds**, this column s stability and efficiency provide a reliable foundation for achieving accurate, reproducible results ultimately contributing to the advancement of scientific discovery and regulatory compliance in modern analytical chemistry.

### **Pros and Cons of buying a Waters 186003613 XBridge BEH300 C18 3.5 m, 4.6 mm 150 mm HPLC Column**

1. **High Efficiency and Resolution** The 3.5 m particle size and 300 pore size (BEH300) provide excellent separation for medium to large molecules, including peptides, proteins, and biopharmaceuticals. This makes it ideal for complex sample matrices where traditional C18 columns may struggle.

2. **Stable and Durable Stationary Phase** The Ethylene-Bridged Hybrid (BEH) technology ensures chemical stability under harsh conditions (high pH, organic solvents, and temperature gradients), reducing column degradation over time.

3. **Versatile Application Range** Suitable for reversed-phase HPLC (RP-HPLC), ultra-performance liquid chromatography (UPLC), and gradient elution methods. Works well for both small molecules and biopharmaceuticals, including monoclonal antibodies and other biologics.

4. **Low Backpressure** The 3.5 m particle size strikes a balance between efficiency and backpressure, making it more suitable for conventional HPLC systems compared to sub-2 m columns, which can be more demanding on pumps.

5. **Consistent Performance** Waters is a reputable manufacturer with rigorous quality control, ensuring batch-to-batch consistency in retention times, peak shapes, and separation efficiency.

6. **Compatibility with Common Mobile Phases** Performs well with aqueous-organic gradients (e.g., water-acetonitrile or water-methanol) and can handle high organic solvent percentages without significant peak tailing.

7. **Long Lifespan** Properly maintained, this column can last for thousands of injections, especially in applications where sample matrices are not overly dirty or abrasive.

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1. **Higher Cost** Compared to generic or lower-quality C18 columns, this is a premium product, which may be a significant investment for laboratories on a tight budget.

2. **Not Ideal for Small Molecules** While it works for medium to large molecules, it may lack the efficiency needed for very small analytes (e.g., simple drugs or metabolites) where sub-2 m columns or shorter lengths (e.g., 100 mm) would be more appropriate.

3. **Sensitivity to Sample Contamination** Like all HPLC columns, it is vulnerable to particulate matter, proteins, or other contaminants that can clog the packing material or degrade performance over time. Requires proper sample preparation (e.g., filtration, cleanup).

4. **Limited Availability of Alternatives** If compatibility issues arise, finding a direct replacement may be difficult compared to more widely available generic columns.

5. **Maintenance Requirements** Regular cleaning (e.g., with isopropanol or dedicated column cleaners) and proper storage (e.g., in a sealed container with a guard column) are necessary to extend its lifespan.

6. **Potential for Peak Tailing with Basic Compounds** While BEH technology minimizes this issue, strongly basic analytes may still exhibit some tailing, requiring adjustments in mobile phase additives (e.g., TFA or acetic acid).

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### **Conclusion**

The Waters 186003613 XBridge BEH300 C18 column is a high-performance, versatile tool well-suited for applications requiring robust separation of medium to large molecules, particularly in biopharmaceutical and peptide analysis. Its stability, efficiency, and durability make it a strong choice for laboratories investing in reliable, long-term HPLC/UPLC performance. However, its higher cost and specialized use case may not justify its purchase for applications involving only small molecules or high-throughput screening where more cost-effective alternatives exist.

### **Recommendation**

- You require high-resolution separation of peptides, proteins, or biologics.

- Your workflow involves gradient elution with aqueous-organic solvents.

- You prioritize column stability and longevity in challenging conditions (e.g., high pH or organic content).

- Budget constraints allow for an investment in a premium column that will serve multiple projects over time.

- Your application involves only small molecules (consider a shorter or smaller-particle column instead).

- You are working with highly contaminated samples without proper pre-treatment (a guard column may be necessary).

- Cost is a critical factor, and a generic or alternative brand column would suffice for your needs.

For most academic or industrial laboratories focused on biopharmaceuticals or complex biomolecule analysis, this column is a **highly recommended choice** due to its proven performance and reliability. Pair it with a guard column (e.g., Waters 186003614) to further extend its lifespan.

Details:

Used Waters Xbridge 186003613 BEH300 C18 3.5 m 4.6 X 150mm HPLC Column, lot con4/4bx14watparts.

part #: 186003613 prices

• $69.99-$145.00

specifications automationjack:

• brand: Waters
• mpn: 186003613
• type: 4.6 X 150mm Column
• country of origin: Ireland

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• Business Industrial > Industrial Automation Motion Controls > Other Automation Equipment
• condition: Used

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• availability: In Stock
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• started: March 18, 2026
• quantity: 1

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