Source comparison
CJC-1295 No DAC COA: Analysis Method Comparison
Mass Spectrometry (MS) Molecular weight confirmation 3366.89–3368.89 Da Incorrect amino acid sequence or wrong peptide HPLC Purity Percentage of target peptide vs impurities ≥98% Poor synthesis control or peptide degradation Residual Solvents Acetonitrile, TFA
This comparison does not assign a generated winner or score.
- Mass Spectrometry (MS)
- Molecular weight confirmation
- 3366.89–3368.89 Da
- Incorrect amino acid sequence or wrong peptide
- HPLC Purity
- Percentage of target peptide vs impurities
- ≥98%
- Poor synthesis control or peptide degradation
- Residual Solvents
- Acetonitrile, TFA, methanol content
- <0.1% by weight
- Incomplete purification process
- Heavy Metals
- Lead, arsenic, mercury, cadmium
- <10 ppm total
- Contaminated raw materials
- Bacterial Endotoxins
- Endotoxin units per mg
- <5 EU/mg
- Microbial contamination during synthesis