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Acetonitrile

HPLC Mobile Phase Solvent

Definition

Acetonitrile (MeCN) is the primary organic solvent used as mobile phase B in peptide HPLC purification and analysis.


Specifications

Parameter Typical Value
Purity ≥99.9% (HPLC grade)
UV cutoff 190 nm
Water content ≤0.02%
Grade HPLC gradient grade

Role in Peptide Analysis

Function Detail
Mobile phase B Elutes peptides from C18 column
Gradient from 5–60% B Separates peptide from impurities
Peptide solubility Good for most peptides
UV transparency Low UV absorption at 214 nm
  • HPLC Mobile Phase Solvent — Review the section above for key parameters, methods, and quality criteria.
  • Role in Peptide Analysis — Review the section above for key parameters, methods, and quality criteria.

Key Takeaways

  • HPLC Mobile Phase Solvent — Review the section above for key parameters, methods, and quality criteria.
  • Definition — Review the section above for key parameters, methods, and quality criteria.
  • Specifications — Review the section above for key parameters, methods, and quality criteria.
  • Role in Peptide Analysis — Review the section above for key parameters, methods, and quality criteria.

🔗 Related: TFA | Preparative HPLC | HPLC Analysis