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Our Story

Your Custom Peptide and Peptide Synthesis Company

AA Peptides, doing business as AAPPTec LLC, located in Louisville, KY, USA, is a peptide synthesis company that provides a complete line of peptide products ranging from automated peptide synthesizers to related laboratory equipment and high quality reagents designed to assist chemists in preparing and analyzing high quality peptides on research to semi-preparative and preparative scale.

In addition, AAPPTec provides all the technical information and instructions for each step of peptide synthesis and purification.

For those who prefer not to synthesize their own peptides, AAPPTec offers custom peptides in quantities from mg to kg, in purities from crude to 98% pure, all at an affordable price.


Our Sales Team is highly trained in the qualities, benefits and use of our products, and they are here to help you make important purchasing decisions. Many members of our Sales Team hold advanced degrees in chemistry. Our Customer Support Team has many years of experience in the peptide field and they are ready to help you with questions, orders, etc.


Founded by renowned peptide chemist, Dr. Hossain Saneii, and staffed by peptide chemists and engineers with a combined 100+ years of experience in the peptide field, AAPPTec understands what is important to peptide chemists and to their success.

Our Production Team is highly skilled and has been building our instruments for many years. Specialized parts are made in our well-equipped machine shop by expert machinists, with many years of experience in our business.

AAPPTec continually strives to provide the latest technology at the most competitive prices and the highest level of customer support to peptide chemists worldwide.

We welcome your suggestions regarding our products and customer support. Please tell us how we can serve you better.

Please send your suggestions to or call us directly at our headquarters in Louisville, Kentucky.