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Promega™ 6 x 5 LC-MS/MS Peptide Reference Mix DFS Item

Unique reagent designed to monitor liquid chromatography (LC) and mass spectrometry (MS) instrument performance and assist in method development and optimization. Mixture of peptides are clearly resolved by mass spectrometry.

$170.00 - $814.85


Storage Requirements −30° to −10°C
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Catalog Number Mfr. No. Quantity Price Quantity  
Catalog Number Mfr. No. Quantity Price Quantity  
PRV7495 Promega™
200pmol Each for $814.85
PRV7491 Promega™
50μL Each for $170.00


  • Mixture of 30 peptides; 6 sets of 5 isotopologues of the same peptide sequence
  • Amino acids prone to artificial post-translational modification (i.e., methionine, asparagine, etc.) were excluded from the sequences
  • None of the peptides have internal lysines or arginines and will therefore not be affected by trypsin or Lys-C
  • There is a mass separation of at least 4 Daltons between the isotopologues, so that even low-resolution instruments can distinguish the masses
Description & Specifications


−30° to −10°C