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    How to read a New-U COA (pinned reference)

    A locked reference post so it stays clean. Every New-U batch ships with a certificate of analysis. Here's how to read ours, top to bottom:

  • Batch/lot number — must match the vial label. If it doesn't, stop and contact us.
  • Identity — mass spec confirmation of the expected molecular mass.
  • Purity — HPLC area percent of the main peak.
  • Method — column, mobile phase, detection wavelength.
  • Appearance and water content where applicable.

    • Questions go in a new thread in this category — this one is locked so it stays a clean reference. Research use only.

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  • How to read a COA
  • >99% purity standards

    • Premium research peptides at >99% HPLC-verified purity, third-party tested by Janoshik Analytical with a Certificate of Analysis on every lot. Shipped lab-direct, discreet and cold-chain, worldwide. For laboratory research use only.

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