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Metabolic Research

GLP-3 RT

Synthetic acylated peptide (retatrutide) for receptor-pharmacology research.

Size
Quantity

3+ vials 5% · 5+ vials 10% · 10+ vials 15% · 20+ vials 25% off — applied in the cart

  • Same-day dispatch on orders confirmed by 2 PM CTCutoff 2 PM CT, Monday to Saturday
  • Arrives in 2 business days after dispatch2-day shipping · free on orders over $200.00
  • Free shipment protectionLost or damaged in transit? Tell us within 7 days and we replace it.
  • COA for lot ATLA2610269037HPLC purity and mass-spec identity · view report

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For research use only. Not for human or veterinary use. Purchase requires research-use certification at checkout.

Certificates of Analysis

One COA per lot. The lot number on your vial matches the report below.

LotPurityTestedLaboratoryReport
ATLA261026903799.96% (HPLC)Oct 26, 2026Freedom Diagnostics Testing Download PDF

Research overview

GLP-3 RT is supplied as retatrutide (LY3437943), a synthetic acylated peptide studied in receptor-pharmacology research as a single molecule with activity at the GIP, GLP-1 and glucagon receptors. Confirm identity and vial content against the lot COA.

Sequence

GLP-3 RT specifications

CompoundGLP-3 RT
CAS number2381089-83-2
Molecular formulaC221H342N46O68
Molecular weight4731.4 g/mol
Vial sizes5 mg, 10 mg, 20 mg, 50 mg
FormLyophilized powder, sealed vial
Vial3 mL clear glass, aluminium crimp, flip-off cap (cap colour varies by lot)
Purity99.96% (HPLC)
IdentityMass spectrometry, per lot
Expected MS ions[M+4H]4+ ≈ 1183.9 · [M+5H]5+ ≈ 947.3 · [M+6H]6+ ≈ 789.6 m/z (average mass)
Current lotATLA2610269037
Storage-20 °C long term; 2–8 °C short term
Ships fromUnited States, same day when confirmed by 2 PM CT

Storage and handling

Lyophilized powder. Store at -20 °C for long-term stability; 2–8 °C short term. Protect from light and moisture. Allow the sealed vial to reach room temperature before opening to limit condensation.

Atlas supplies research materials and cannot advise on use. For purity data, storage, shipping or order questions, contact us.

GLP-3 RT FAQ

What purity is Atlas GLP-3 RT?

The current lot (ATLA2610269037) tested at 99.96% (HPLC) by an independent laboratory. Its Certificate of Analysis is on this page and in the COA library.

How do I check the COA for my GLP-3 RT vial?

Find the lot number printed on your vial label and match it to the table on this page, or enter it on the Verify page. Each lot links to its own lab report.

What sizes does GLP-3 RT come in?

GLP-3 RT is available as 5 mg and 10 mg and 20 mg and 50 mg lyophilized vials. Ordering 3 or more units applies volume pricing automatically.

How should GLP-3 RT be stored?

Store the sealed lyophilized vial at -20 °C for long-term stability, or 2–8 °C short term, away from light and moisture. Let the vial reach room temperature before opening to limit condensation.

How fast does GLP-3 RT ship?

Orders confirmed by 2 PM CT, Monday to Saturday, ship the same day from the US with 2-day delivery and adult signature. Shipping is free on research orders over $200.00.

Is GLP-3 RT for human use?

No. GLP-3 RT is sold strictly for in-vitro laboratory research. It is not for human or veterinary use, and Atlas cannot advise on use.

Guides for researchers

For Research Use Only. Not for human or veterinary use. Not for diagnostic or therapeutic use. Not a drug, food, cosmetic or dietary supplement. Not for resale to consumers.

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