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Synthetic peptide

Retatrutide

Name: Retatrutide
Brand: Celfinity
SKU: LY3437943
Price: 89.99 USD
Availability: InStock
Rating: 4.9 (247 reviews)

4.9 247 verified reviews

LY3437943 GLP-3 (RT)

A 39-amino acid triple-agonist peptide targeting the GLP-1, GIP, and glucagon receptors. Supplied as a lyophilized powder strictly for in vitro laboratory research.

Vial size

Quantity

BUNDLE & SAVE

CoA

Ships Mon, Jun 22 – Thu, Jun 25 · We accept Visa · Amex · Apple Pay

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on orders over $150

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on every order

Certificate of Analysis

Third Party Tested · ISO/IEC 17025 ACCREDITED
Representative results shown — the Certificate of Analysis for your specific lot is included with every order.

LATEST7+ TESTING

PURITY

✓ Passed full QC panel

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FULL QC PANEL

Purity (HPLC){{ c.purity }} ✓

Heavy Metals (ICP-MS)Not Detected ✓

Sterility (BCR)No Growth ✓

Endotoxin (LSF)< 0.05 EU/mL ✓

SCAN TO VERIFY

Lot {{ c.lot }} · Library verification →

Download CoA (PDF)

Frequently Researched Together

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Compound Information

Technical specifications

MOLECULAR PROFILE

What Is Retatrutide?

TypeSynthetic peptide

CAS Number2381089-83-2

Molecular Weight4,731 g/mol

Amino Acids39

Fatty Acid ChainC20 diacid

STORAGE REQUIREMENTS

Stability Information

Avoid freeze/thaw cycles Protect from light Keep refrigerated

Lyophilized (powder)

-20°C · 24+ months

Reconstituted

2-8°C · ~30 days

Researcher Reviews

VERIFIED LAB PURCHASES

4.9

out of 5

Based on 247 verified reviews

5★224

4★18

3★4

2★1

1★0

98% verified via order records

MR

Dr. M. Reyes

✓ Verified buyer

May 2026

Matches the CoA exactly

Ran our own HPLC and got 99.4% — right in line with the certificate they include. Lot-to-lot consistency has been excellent across three orders.

KW

K. Whitfield

✓ Verified buyer

Apr 2026

Clean reconstitution

Lyophilized cake was intact and dissolved completely clear with no cloudiness. Mass-spec identity confirmed. Cold-chain packaging held up well.

AK

Dr. A. Kaur

✓ Verified buyer

May 2026

Documentation is thorough

Every vial ships with a batch-specific Certificate of Analysis from a third-party lab. Makes our internal compliance paperwork painless.

JA

J. Alvarez

✓ Verified buyer

Mar 2026

Great product, quick ship

Arrived in three days, discreetly packaged and well sealed. Docking one star only because I'd love to see larger bulk sizing options.

SP

Dr. S. Petrov

✓ Verified buyer

Jun 2026

Reliable supplier

We've consolidated most of our peptide sourcing here. Purity is consistent and the COAs are legitimate and verifiable by lot number.

RC

R. Chen

✓ Verified buyer

Apr 2026

Sealed and stable

Vials arrived properly sealed with intact stoppers. Reconstituted samples stayed stable in our fridge across the whole working window.

LO

Dr. L. Okafor

✓ Verified buyer

May 2026

Exactly as labeled

Actual measured content matched the labeled amount within tolerance. Reassuring to see the fill weights hold up under our own testing.

TN

T. Nguyen

✓ Verified buyer

Feb 2026

Solid quality control

Third-party testing and clear lot numbers give me real confidence in reproducibility. Shipping was fast and support answered my questions quickly.

IMPORTANT RESEARCH NOTICE

Not for human consumption. This product is sold solely for research and educational purposes. It is not intended to diagnose, treat, cure, or prevent any disease.

All clinical trial data and research findings presented on this page are sourced from peer-reviewed journals and official publications. They are provided for educational reference only and do not constitute medical advice or product claims. By purchasing this product, you confirm that you are a qualified researcher and will use it in accordance with all applicable laws and regulations.