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Practical, claim-free guidance on identifying, handling, preparing and verifying research-peptide reference standards.
CJC-1295 No-DAC vs DAC: Mod GRF 1-29 naming and structural distinctions
How the No-DAC (Mod GRF 1-29) and DAC forms of CJC-1295 differ in structure, molecular weight and identifiers.
Read guide →Laboratory stock concentration and aliquot calculations for lyophilised peptides
The arithmetic behind stock concentration, aliquot volume and net peptide content for lyophilised reference materials.
Read guide →RUO peptide reference materials in the EU
How VERIPHASE classifies, documents and supplies research-use-only peptide reference materials under EU rules.
Read guide →How to read a peptide certificate of analysis
What identity (MS), purity (RP-HPLC), net peptide content and lot traceability actually mean on a peptide certificate of analysis.
Read guide →Peptide nomenclature glossary: aliases, fragments, salt forms and purity terms
Aliases, fragments, salt forms and purity terms — how to match a catalogue name to the exact molecule you need.
Read guide →TB-500 fragment vs Thymosin β4 full-length: naming and reference-material labelling
Why "TB-500" and full-length Thymosin β4 can denote two different molecules — and what that means for mass and concentration.
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