Retatrutide research peptide, 10, 20 and 30 mg
Lyophilized retatrutide (LY3437943) with an independent certificate of analysis for every lot. Order any number of vials in any mix of strengths. Volume pricing applies automatically.
- HPLC purity (10 mg)
- 99.885%
- Identity
- MS confirmed
- Lot (10 mg)
- R1031999
Build your order
In stock, one-time order, no subscriptionTap + to add vials of any strength, or start from a quick pick. Volume pricing counts every vial in the order.
Ordering 5 or more vials? You may qualify for bulk pricing. Get a quote
Sold to qualified researchers aged 21 or older for laboratory use only. Not for human or animal consumption, or medical, therapeutic, diagnostic or cosmetic use.
Independent lab testing
Freedom Diagnostics Testing, report 2603250186.
HPLC-UV and mass spec
Purity and identity checked on every lot.
Lot-matched labels
The lot number on each vial links to its report.
Tracked U.S. shipping
Every order ships with tracking to U.S. addresses. Free over $200.
Inspect what you'll receive
Select any point on the vial to see what it tells you and how to check it when your order arrives.
Every lot tested. Every report on record.
An independent laboratory analyzes each lot of retatrutide. HPLC-UV measures purity and mass spectrometry confirms identity. Match the lot on your vial to its report before use.
- Lot
- R1031999 (10 mg)
- Laboratory
- Freedom Diagnostics Testing
- Report number
- 2603250186
- Reported
- March 26, 2026
- Purity method
- HPLC-UV
- Identity method
- Mass spectrometry
Enter the lot number printed on your vial label.
About retatrutide
Retatrutide (LY3437943) is an investigational synthetic peptide studied as a triple agonist at the GIP, GLP-1 and glucagon receptors. Laboratories use it in receptor pharmacology, signaling and binding studies.
Retatrutide is not an approved drug. Accel supplies it only as a research material for qualified professionals.
Storage and handling
Keep lyophilized material frozen at −20 °C, sealed and away from light and moisture. Let the vial reach room temperature before opening. After reconstitution, follow your laboratory's validated protocols.
Specifications
- Compound
- Retatrutide (LY3437943)
- CAS number
- 2381089-83-2
- Molecular formula
- C221H342N46O68
- Molecular weight
- 4731.3 g/mol
- Strength
- 10 mg per vial (10, 20 or 30 mg)
- Form
- White lyophilized powder
- Purity (HPLC)
- 99.885%, lot R1031999
- SKU
- AP-G3-10
- Intended use
- Laboratory research only
If it isn't right, we make it right
Your order carries no risk on condition or documentation. Report a problem soon after delivery and we resolve it at our cost.
Read the full guarantee termsWe replace the vial
A broken seal, cracked glass or crushed packaging. Send a photo and we ship a replacement.
Replacement or refund
If the lot on your vial has no matching report on our site, you choose a replacement or a full refund.
We reship it
If tracking stalls, contact us and we send the order again.
Pricing and bulk orders
Price per vial depends on the total number of vials in your order, in any mix of strengths. Your current tier is highlighted.
Ordering for a lab or institution?
We accept purchase orders, quote pricing for five or more vials of any strength and can hold a single lot for continuity across a study.
Request a quote Quotes are sent by email.A company you can reach
Accel Sciences supplies research peptides to qualified researchers across the United States, and every lot we sell is tested by an independent laboratory before it is listed.
- Ships from
- United States
- Payments
- Card or crypto
- Testing policy
- Every lot, independent lab
- Business registration
- Accel Peptides
Talk to a person
Questions about an order, a lot or a bulk quote go to our team, not a bot.
What to expect from fulfillment
Shipping, packaging and documentation: the three things researchers ask about most.
- Strengths
- 10 · 20 · 30 mg
- Lots independently tested
- Every lot
- Identity method
- Mass spec
Orders ship from the U.S. with tracking. Standard shipping is $15, free over $200, and the cost is shown at checkout before you pay.
Each vial is sealed under a blue flip-off cap and labelled with its product code, strength and lot number.
The lot printed on your vial matches an independent certificate of analysis you can look up on this page.
Questions researchers ask
Can't find an answer? Contact support.
Retatrutide research peptide, 10 to 30 mg
Three strengths, volume pricing from 2 vials, every lot independently tested.