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Research peptides · US shipping
Precision you can trust.
Quality you can prove.
Review available Certificates of Analysis for HPLC purity and mass-spec identity in the certificate library. Check the report and lot details before ordering.
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Featured
Featured compounds
Research peptides with third-party identity and purity testing.
The Strand standard
What every order includes
COA on every product
Independent HPLC purity and mass-spec identity report, published on the product page.
Ships in 1 business day
Orders before 1 pm ET leave the same or next business day, tracked.
Quality guarantee
Damaged, wrong or short-shipped? Replaced or refunded, no return needed.
Verified researchers
21+ and research-use attestation on every order.
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Grouped by chemical class, not by claim.
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Stock the lab,
pay less per vial.
Mix any compounds and sizes. The discount applies automatically in the cart: no codes, no subscriptions, no minimum commitment.
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List
Standard price
Most popular
2 vials
−5%
Any mix
3+ vials
−10%
Any mix
Strand Points
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An account pays you back.
- Welcome points after you verify your email and sign in
- Earn on paid orders and redeem points toward merchandise at checkout
- One-tap reorder, saved addresses and order history
- Every COA from your past orders in one place
Points have no cash value and apply to merchandise on future orders. See current earning rates and points rules.
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Welcome bonus+500
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Example account
Certificate of Analysis
- Method
- HPLC-UV
- Identity
- ESI-MS
- Appearance
- White powder
- Lab
- Independent third party
Example layout
How we test
Proof, not promises.
- 1
Independent lab, every product
Each compound is sent to an independent analytical laboratory for HPLC purity and mass-spec identity.
- 2
Released only when it passes
We check every report against the label claim before a product is listed.
- 3
Read it before you order
The COA is linked from every product card and product page, and collected in the COA library.
Shipping & payment
Simple, transparent, fast.
$10 · Free over $150
Tracked USPS / UPS, discreet packaging.
1 business day
Dispatch time for orders placed before 1 pm ET.
Card or Zelle
Same price either way. Secure, encrypted checkout.
FAQ
Common questions
Researchers and laboratories in the United States who are 21 or older and who confirm, at checkout, that products are for in-vitro research use only. Products are not for human or veterinary use.
New compounds, new reports, no noise.
One email when a compound is added or a new COA is published. Nothing else.