C S Bio has been producing high quality custom peptide compounds since our inception in 1993. We are dedicated to providing our customers with the highest quality compounds available in a time frame that meets each customer’s expectations. Whether you are in need of multiple peptides, long sequences, peptide modifications or even peptide reagents and synthesis equipment, C S Bio can be of assistance.All of our peptides come with a complete quality control package including HPLC analysis to ensure purity and mass spectral analysis to confirm identity. No set-up fees, no additional charges and we will never charge for a peptide unless it is produced exactly to your specifications. Please contact us for further information and pricing.