Peptide and Molarity Calculator

1-Letter Code
Number of Residues
3-Letter Code
Molecular Mass (Mr)
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Average Hydrophilicity
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Isoelectric Point
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Hydrophilic Residues / Total
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Net Charge at pH 7.0
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Counterion
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Salt-Adjusted Mass
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Hydrophilicity
1-Letter Codes

Note: Mass = sum of residues + H2O, N/C caps adjusted. pI/charge via Henderson-Hasselbalch approximation. Hydrophilicity according to Hopp-Woods. Salt mass: 1 counterion per positive charge.

Molarity Calculator

Required Mass
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Technical Peptide Manufacturing Support from Germany

Serox GmbH supports industrial and research peptide projects from Mannheim, Germany with ISO 9001 quality management, Cosmetic GMP ISO 22716 standards, advanced analytical quality control and a team bringing over 20 years of peptide manufacturing expertise. Our peptide services are intended for professional industrial and research use only and are not intended for food or sport purposes.