PeptideX
Understanding Peptide Purity Standards
Learn about HPLC verification, mass spectrometry, and what purity percentages mean for your research applications.
You must be 18 years or older to access this website. By entering, you confirm that you are of legal age and agree to our terms of service.
This website contains products intended for qualified buyers only. Please verify your age before proceeding.
Comprehensive collection of premium peptide products for qualified buyers and institutional laboratories.
Our most popular products with competitive pricing
Browse our comprehensive catalog organized by application
Quality and service you can trust
All products meet rigorous quality specifications with certificates of analysis.
Secure, temperature-controlled packaging with worldwide shipping options.
Serving qualified buyers across USA, Canada, UK, EU, and Australia.
Quick response via WhatsApp and email with detailed product information.
Rigorous verification for product integrity
All products undergo comprehensive analytical verification to ensure quality and purity.
Contact our team for pricing and bulk orders
Browse our complete catalog by category
See what our customers say about our products and service
Real feedback from verified buyers
Latest news, research updates, and industry insights
Stay informed with our latest content
Learn about HPLC verification, mass spectrometry, and what purity percentages mean for your research applications.
Everything you need to know about shipping peptides to USA, Canada, UK, EU, and Australia. Customs, regulations, and delivery times.
Best practices for storing lyophilized peptides, reconstitution techniques, and maintaining stability for long-term research use.
A comprehensive guide to understanding CoA documentation, HPLC chromatograms, and mass spec data for peptide verification.
Detailed instructions for properly reconstituting lyophilized peptides, including bacteriostatic water ratios and storage after mixing.
Exploring the latest developments in peptide research, emerging applications, and what's driving innovation in the field.
Find answers to common questions about our products and services
Everything you need to know
All our peptides undergo rigorous HPLC verification with purity standards of β₯98%. Each batch comes with a Certificate of Analysis (CoA) documenting the exact purity percentage, mass spectrometry confirmation, and other quality control metrics.
Yes, we ship to USA, Canada, United Kingdom, European Union, and Australia. All shipments are temperature-controlled and include tracking. Shipping times vary by destination: USA (3-5 business days), Canada/UK/EU (5-7 business days), Australia (7-10 business days).
Lyophilized peptides should be stored at -20Β°C or colder in a dry environment, protected from light. Once reconstituted, store at 4Β°C and use within the timeframe specified on the CoA. Always follow the specific storage instructions provided with your product.
We accept various payment methods for your convenience. Please contact us via WhatsApp or email to discuss payment options for your order. We prioritize secure and convenient payment processing for all our customers.
Yes, every product comes with a comprehensive Certificate of Analysis (CoA) that includes HPLC purity data, mass spectrometry confirmation, and batch-specific information. CoAs are provided with your shipment and can also be requested via email.
Due to the nature of our products and strict temperature control requirements, we cannot accept returns on opened or temperature-compromised products. However, if you receive a damaged or incorrect item, please contact us within 48 hours of delivery for a replacement or refund.
Our team is available via WhatsApp at +1 (431) 829-0655 for quick responses to product inquiries, order status, and technical questions. You can also email us at biotechguangzhou@gmail.com for detailed documentation requests and bulk order inquiries. We typically respond within 24 hours.
No. All our products are sold as research reference standards for laboratory and educational purposes only. They are not intended for human consumption, diagnostic procedures, or therapeutic applications. Buyers must be qualified researchers with appropriate institutional affiliations.
Please read our terms carefully before using our services
Last Updated: March 2026
By accessing and using PeptideX services, you agree to be bound by these Terms of Service. If you do not agree to these terms, please do not use our website or services.
You must be 18 years or older to use this website. By using our services, you represent and warrant that you are of legal age and are purchasing products for legitimate research purposes only.
All products sold by PeptideX are for laboratory research and educational purposes only. They are NOT intended for human consumption, diagnostic procedures, or therapeutic applications. Buyers are responsible for ensuring compliance with all applicable local, state, and federal regulations.
All orders are subject to acceptance and availability. We reserve the right to refuse or cancel any order for any reason. Payment must be received before order processing begins. Prices are subject to change without notice.
We ship to USA, Canada, UK, EU, and Australia. Shipping times are estimates and not guaranteed. Risk of loss passes to you upon delivery to the carrier. You are responsible for any customs duties, taxes, or import fees.
Due to the nature of our products, we cannot accept returns on opened or temperature-compromised items. Damaged or incorrect items must be reported within 48 hours of delivery for replacement or refund.
PeptideX shall not be liable for any indirect, incidental, special, or consequential damages arising from the use or inability to use our products. Our total liability shall not exceed the purchase price of the product.
All content, trademarks, logos, and intellectual property on this website are owned by PeptideX and are protected by applicable laws. Unauthorized use is prohibited.
Your use of our website is also governed by our Privacy Policy. We are committed to protecting your personal information and maintaining your privacy.
We reserve the right to modify these terms at any time. Continued use of the website after changes constitutes acceptance of the new terms.
These terms shall be governed by the laws of the State of Florida, USA, without regard to conflict of law provisions.
For questions about these Terms of Service, please contact us at:
Email: biotechguangzhou@gmail.com
WhatsApp: +1 (431) 829-0655
Address: 5401 S Kirkman Rd suite 310, Orlando FL 32819
Information about shipping times, costs, and delivery
Last Updated: March 2026
We currently ship to the following regions:
All orders are processed within 1-2 business days (excluding weekends and holidays) after receiving your order confirmation. You will receive another notification when your order has shipped.
Shipping charges for your order will be calculated and displayed at checkout. Delivery times vary by destination:
All peptides are shipped in temperature-controlled packaging to maintain product integrity during transit. We use insulated containers with cold packs to ensure your products arrive in optimal condition.
You will receive a tracking number via email once your order has shipped. You can use this number to track your package's journey to your location.
International shipments may be subject to import taxes, duties, and customs fees. These charges are the responsibility of the recipient and are not included in your order total. Please check with your local customs office for more information.
Please ensure your shipping address is accurate and complete. We are not responsible for orders shipped to incorrect addresses provided by the customer.
If your package is lost, stolen, or damaged in transit, please contact us within 48 hours of the expected delivery date. We will work with the carrier to resolve the issue.
For security purposes, all shipments require a signature upon delivery. Please ensure someone is available to receive your package during business hours.
For shipping inquiries, please contact us:
Email: biotechguangzhou@gmail.com
WhatsApp: +1 (431) 829-0655
Address: 5401 S Kirkman Rd suite 310, Orlando FL 32819
Rigorous analytical verification and standards
Every product undergoes comprehensive quality control procedures.
High-Performance Liquid Chromatography verification ensuring purity standards of β₯98%.
Molecular weight confirmation using advanced mass spectrometry techniques.
Complete Certificate of Analysis (CoA) provided with each product.
Temperature-controlled storage and shipping protocols.
All products are for qualified buyers only. Please ensure you understand applicable regulations in your jurisdiction before purchasing.
Professional support for all inquiries
Our office location
5401 S Kirkman Rd suite 310
Orlando FL 32819
United States