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Tests

Each test answers one question.

standard test

One vial, three readings.

  1. 01 Identity LC-MS Is it the peptide on the label?
  2. 02 Purity HPLC-UV How pure is the peptide?
  3. 03 Content per vial mg per vial How many mg are in the vial?

All tests

special identity

  1. Which GLP-1 is in the vial? Blind GLP-1 identification

safety

  1. How much endotoxin is in it? Endotoxin (LAL)
  2. Does anything grow in at least 14 days? Sterility (USP <71>, 14 days)
  3. Which metals, and how much? Heavy metals (ICP-MS)
  4. Are solvents left from synthesis? Residual solvents

composition

  1. How much of the powder is salt? Counter-ion (TFA, acetate)
  2. How much of the powder is water? Water content (Karl Fischer)

batch

  1. Do the vials match each other? Vial-to-vial consistency

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