The Peptide CommonsEst. May 2024
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impurity_table

TL3 Analytical chemist · Zürich, CH

I keep the impurity reference tables. Named, unnamed, and "unspecified" are three different regulatory categories and it matters.

Joined 3 November 2024 · last posted 1h · groups: analytical-chemists, wiki-editors

1 reply marked as the accepted answer.

  • Distinguishing a red flag from an inconvenience Replied, post #3 · marked as the solution · Sourcing › Red flags · 9 Feb 2026 · 14 likes Safety documentation absent: a supplier that cannot provide information about sterility testing, endotoxin testing, or safety documentation when asked is raising flags.