NSJ Prayog Life Sciences specialize in the Synthesis of high quality peptide at affordable prices. Also, we are manufacturing wide variety of coupling reagents

Peptide manufacturing Services

N-Terminal Modifications

  • PEGylation
  • Boitinylation
  • Acetylation, Acylation
  • (Lipopeptides)

Carrier Conjugations

  • Conjugation to Small Molecules
  • Conjugation to Dyes

(imaging agents)


– FITC Dyes

– CY3 Dyes

  • Conjugation to Polymers

C-Terminal Modifications

  • Amides (NH2)
  • N-alkyl amides
  • Aldehydes
  • Esters

Peptide Modifications

  • Peptides with unnatural aminoacids
  • Cyclization (disulphide, amide)
  • Depsipeptides
  • Hydrocarbon-Stapled Peptides
  • Peptide Alcohols and Aldehydes
  • C-terminal Esters and Thioesters
  • Phosphorylation and Sulfation
  • Peptides and Sugar Conjugates