LAB-VERIFIED RESEARCH COMPOUNDS

99%+ Verified Purity. Every Batch. Every Time.

Empowering clinical researchers with pharmaceutical-grade peptides and precision compounds. Our commitment to analytical integrity is non-negotiable.

99.2%Average Purity
60+Compounds
12k+Studies Supported
ISO 9Certified Synthesis
>=99% Purity
Third-Party Tested
HPLC & MS Verified
USA Synthesized
99.98%Analyzed Integrity
Precision Analysis

The Difference is in the Data

Batch-Specific HPLC Reports

We don't provide general COAs. Every single vial you receive is linked to its unique High-Performance Liquid Chromatography report.

Triple-Blind Validation

Independent US laboratories perform blind testing on randomly selected stock to ensure 100% unbiased quality control.

Cold-Chain Logged

Temperature stability is monitored throughout the synthesis and storage phases to maintain molecular stability.

View Methodology

Precision Procurement

The secure path to verified research compounds.

01

Select Compound

Browse our curated catalog of research-grade peptides and clinical compounds.

02

Verify Analysis

Download batch-specific HPLC and Mass Spec reports directly from the product page.

03

Secure Shipping

Discrete, vacuum-sealed packaging with temperature-regulated shipping options.

Unrivaled Purity Standard

We reject any batch that tests below 99% purity. Our internal synthesis protocols exceed industry standards, focusing on peptide sequence accuracy and moisture content control to ensure maximum bio-activity for your research.

Open-Source Integrity

Transparency is our business model. We provide public access to our COA archive, allowing researchers to track lot performance over time. No logins, no hurdles — just raw, verifiable clinical data.

Technical FAQ

All compounds are synthesized to a minimum of 98% purity, with most exceeding 99%. Purity is verified via HPLC and Mass Spectrometry analysis, with results documented in the Certificate of Analysis included with every order.

Yes. Every product ships with a detailed Certificate of Analysis documenting purity, molecular weight, sequence, and testing methodology. COAs are also available upon request by contacting [email protected].

No. All products sold by PeptideOTC are intended strictly for laboratory research use only. They are not drugs, supplements, or food products. By purchasing, you agree to use products solely for lawful research purposes.

We accept all major credit and debit cards including Visa, Mastercard, American Express, and Discover. All transactions are processed through secure, PCI-compliant payment gateways.

Standard shipping takes 3-5 business days within the contiguous United States. Expedited options (2-day and overnight) are available at checkout. Orders placed before 2pm are shipped the same day.

Yes. We offer tiered pricing for bulk orders. Research institutions, universities, and laboratories can contact [email protected] for custom quotes on larger quantities.

Lyophilized peptides should be stored at -20C or colder for long-term storage. Short-term (up to 4 weeks), refrigeration at 2-8C is acceptable. Keep in original sealed vials, protected from light and moisture.

We offer full refunds on unopened, undamaged products returned within 30 days of delivery. Contact [email protected] with your order number to initiate a return. Refunds are processed within 5-7 business days.

Legal Research Disclaimer

All products listed on this website are intended for laboratory research purposes ONLY. Products are not for human or animal consumption, nor are they intended to diagnose, treat, cure, or prevent any disease. Users must be familiar with the handling and safety protocols of research compounds. By purchasing, you agree to our Terms of Service and acknowledge the strictly clinical nature of these materials.