DGpeptides Co.,Ltd is a high-tech enterprise which is committed to the development and production of peptide reagents. As one of the earliest manufacturers engaged in peptide research and development in China, the company has introduced high-precision MASS and HPLC equipment such as Waters, Agilent, and developed advanced management systems and scientific production processes, We can simultaneously synthesize thousands of peptides with different sequences and it greatly reduce the comprehensive cost of peptide synthesis. Thus to provide cost-effective products and services for scientific researcher around the world and win valuable scientific research time, reduce scientific research costs. The company adheres to the development strategy of "large brand, high-end quality, professional service", adhering to the business philosophy of "quality, service first", We committed to providing high-quality peptides and related products for scientific research workers and large pharmaceutical companies. Over the years, the company has now supplied 100,000+ custom peptides anf 5,000+ scientific customers worldwide through the tireless pursuit of peptides field, and at the same time we have 4,000 + catalog peptides. Customers have covered the world's well-known universities and institutions, such as Harvard University Medical School, Princeton University, Stanford, Katherine Medical School, German Cancer Institute, Chinese Academy of Sciences, Peking University, Tsinghua and so on.

Service area
Ordinary linear peptide:From mg to kg grade, purity can reach more than 99%
Complex linear peptide:Chain length up to 200 amino acids peptides, hydrophobic peptides, circulating peptides, the success rate is more than 90%
Modified peptide:Free N-terminal acetylation, C-terminal amidation、Fluorescent labeled peptide（Cy3, Cy5, Cy5.5, Cy7, FAM, FITC, Rhodamine B, TAMRA etc）, Isotope-labeled peptide(N15,C13)、Stapled Peptide、phosphopeptides(p-Ser,p-Thr,p-Tyr), Cyclo peptide (Amide ring, one or more pairs of disulfide bond rings and fixed-point ring formation), Biotin-labeled peptide, Complex antigens peptide（MAP4,MAP8,MAP16), chelating agent（HYNIC), small molecule compound, PEG modify、Fluorescence quenching group(EDANS,DABCYL), Methylated(Lys,Arg), DOTA, NOTA, DOPA, Azide modification,Intermolecular disulfide bonds. 
Protein crosslinking:KLH, BSA, OVA；
Peptides for different structures:Linear peptide, branched peptide, asymmetric branched peptide, cyclic peptide；
Different sizes:single peptide, batch peptide, peptide library；
Different salt systems range: conventional trifluoroacetate (TFA salt), acetic acid system, hydrochloric acid system, phosphoric acid system;
Purity range:crude peptide, desalted, > 70%, > 80%, > 90%, > 95%, > 98%, > 99%;

Peptide packaging:It is free of charge for each peptide within 10 tubes);

Our advantage

High success rate:>99%；
Strict confidentiality:confidentiality agreement can be signed;
Delivery time:It is 2-3 weeks for peptides within 30AA, long peptides difficult peptides special peptides need to be evaluated, The peptides can be arranged urgent;
Complete variety of modifications:It can provide more than 400 kinds of modifications, including fluorescent modifications, various cyclic peptide modifications etc；

Quality assurance:Free MS, HPLC and COA report, charge for peptide content test report, amino acid analysis report, endotoxin test report, solubility analysis, etc., but need to be explained at the time of order;Payment method: cash on delivery, you test the product no problem and then pay, Net 30 days；