COA Reports

Certificate of Analysis — quality inspection reports for our products

Certificate of Analysis records provide available batch-specific analytical documentation for qualified institutional research teams.

Available Analytical Documentation

  • Identity and molecular characterization
  • Purity assessment
  • Batch reference and analytical date

If a batch document is not listed, submit a Request COA inquiry with the product name, SKU, and batch reference. For Research Use Only. Not for human consumption.

Request COA

Tirzepatide

Batch: 2607270283

Retatrutide

Batch: 2607270282

For research use only. Each batch ships with its full Certificate of Analysis.

L
YiXiSheng Biotechnology

For Research Use Only. Not for human consumption, clinical use, or veterinary use.

Contact Us

  • market@hkpeptidelab.com
  • +86 130 9832 9735
  • Registered Office: Wuhan, China; Production Facility: Shenzhen, China

FDA Disclaimer: The statements made within this website have not been evaluated by the US Food and Drug Administration. The statements and the products of this company are not intended to diagnose, treat, cure or prevent any disease. YiXiSheng Biotechnology Co., Ltd. is not a compounding pharmacy or chemical compounding facility as defined under 503A of the Federal Food, Drug, and Cosmetic act. YiXiSheng Biotechnology Co., Ltd. is not an outsourcing facility as defined under 503B of the Federal Food, Drug, and Cosmetic act. All products are sold for research, laboratory, or analytical purposes only, and are not for human consumption.

SSL Secured
Third-Party Tested
Shipment Protection

© 2026 YiXiSheng Biotechnology All rights reserved.