Get in touch
Contact Western Peptides
Research inquiries, COA requests, custom synthesis quotes, or order support — our team responds within one business day.
Send us a message
Email
info@westernpeptides.com
We respond within 1 business day
Business hours
Mon – Fri, 8 AM – 5 PM MST
Closed on US federal holidays
Location
United States
Domestic & international shipping available
Requesting a COA?
Select "Certificate of Analysis (COA) request" from the inquiry type dropdown and include the compound name and your order reference in the message field.
Custom synthesis inquiries
Include your target sequence, desired purity specification, quantity, and any modification requirements. We'll respond with a quote and estimated timeline.
Research Use Only. All products are intended solely for laboratory research and scientific study. Not for human or veterinary use. By purchasing, you confirm compliance with all applicable laws and regulations.