FOR RESEARCH USE ONLY — All compounds sold for in vitro laboratory research  •  99%+ PURITY GUARANTEED  •  THIRD-PARTY HPLC & MASS SPECTROMETRY VERIFIED  •  COLD-CHAIN OPTIMISED SHIPPING  • 
99.1% Purity SYN-2622 Research Grade HPLC Verified

Tirzepatide

Dual GIP/GLP-1 Receptor Agonist · Research Grade

Select Strength — 15mg

$115.00
C₂₂₅H₃₄₈N₄₈O₆₈ MW: 4813.47 g/mol CAS: 2023788-19-2
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For in vitro laboratory research use only. Not for human consumption, diagnostic, or therapeutic use.

Certificate of Analysis

BATCH VERIFICATION

Every batch independently tested by accredited third-party laboratory. Full COA available on request.

Current Batch
HPLC Purity
Lot Number SYN-2622-TIRZ
Test Date
Labeled 98.0%
Actual 98.0%
HPLC Purity
Lot Number SYN-2521-TIRZ
Test Date
Labeled 98.0%
Actual 98.4%

Research Data

KEY FINDINGS

🧬
22.5%
Body Weight Reduction (SURMOUNT-1)
Phase III SURMOUNT-1 at 72 weeks — the most effective approved weight-loss drug
🔬
FDA
Approved (Mounjaro/Zepbound)
FDA-approved 2022 (Mounjaro for T2D) and 2023 (Zepbound for obesity)
98.0%
HPLC-Verified Purity
Current batch SYN-2622, third-party accredited lab
❄️
24mo
Lyophilised Shelf Life
At −20°C sealed under inert atmosphere

Mechanisms of Action

IN VITRO RESEARCH OVERVIEW

Data presented from peer-reviewed in vitro studies. All findings are laboratory observations only.

📉 Phase III SURMOUNT-1 Trial

22.5% Weight Loss — Most Effective Approved Drug in History

Jastreboff et al. published SURMOUNT-1 in NEJM 2022, demonstrating tirzepatide 15mg achieved 22.5% mean body weight reduction at 72 weeks — the greatest weight loss ever demonstrated in a Phase III pharmaceutical trial. FDA approved Zepbound (tirzepatide) for obesity in November 2023.

Tirzepatide 15mg −22.5%
Semaglutide 2.4mg −14.9%
Placebo −2.4%
🔬 22.5% weight reduction — the Phase III record surpassed only by Retatrutide (Phase II, 24.2%) in subsequent trials.
PMID 35658024 — NEJM (SURMOUNT-1)
22.5 %
SURMOUNT-1 — 22.5% Weight Reduction at 72 Weeks

Tirzepatide (Mounjaro/Zepbound) is the first dual GIP/GLP-1 receptor agonist approved for both type 2 diabetes and obesity. SURMOUNT-1 Phase III trial demonstrated 22.5% mean body weight reduction at 72 weeks — the greatest weight loss ever demonstrated in a Phase III pharmaceutical trial at time of publication.

SURMOUNT-1 Weight Loss — Tirzepatide vs. Placebo at 72 Weeks
Tirzepatide 15mg −22.5%
Tirzepatide 10mg −21.4%
Tirzepatide 5mg −16.0%
Placebo −2.4%
Source: Jastreboff AM et al., NEJM, 2022

Analytical Data

PURITY VERIFICATION

Purity by Method — Batch SYN-2622-TIRZ
Specification Value
CAS Number 2023788-19-2
Molecular Formula C₂₂₅H₃₄₈N₄₈O₆₈
Molecular Weight 4813.47 g/mol
Purity (HPLC) 99.1%
Appearance White lyophilised powder
Solubility Soluble in water (1 mg/mL)
Storage −20°C long-term / 2–8°C short-term
Shelf Life 24 months from production date
Research Grade Yes — For In Vitro Use Only
📊

What Research Has Shown

TRIAL RESULTS

Phase III SURMOUNT-1 Trial — NEJM, 2022

22.5 %

Mean Body Weight Reduction at 72 Weeks (15mg dose, SURMOUNT-1)

Tirzepatide 15mg −22.5%
Semaglutide 2.4mg (STEP-1) −14.9%
Placebo −2.4%

Comparative Activity Profile

Tirzepatide Semaglutide
🛡️

In Vitro Safety Data

SAFETY PROFILE

Tirzepatide carries the full Phase III safety dataset from SURMOUNT-1/2/3/4 and SURPASS trials (combined N>10,000). GI adverse events are the primary tolerability concern, consistent with the GLP-1 mechanism component. The GIP component appears to mitigate nausea severity vs. GLP-1 monotherapy.

Observed Adverse Indicators

37%

Nausea (any grade)

moderate
21%

Diarrhoea

low
16%

Vomiting

moderate
5%

Serious adverse events

low
4%

Discontinuation due to AEs

low

⚠️ Theoretical Concern

Research Use & Regulatory Context

Tirzepatide (Mounjaro/Zepbound) holds full FDA approval for T2D and obesity with an established Phase III safety database. All in vitro observations must remain within laboratory research parameters.

  • FDA-approved (Mounjaro 2022 for T2D; Zepbound 2023 for obesity) — most comprehensive approval dataset of any GLP-1 class agent
  • GI adverse events dose-dependent and typically transient; peak incidence during dose-escalation phase
  • Pancreatitis signal monitored per class labelling — incidence not elevated vs. GLP-1 monotherapy in Phase III
  • For in vitro laboratory research use only — not for human or veterinary administration

Researcher Reference

FREQUENTLY ASKED QUESTIONS

Peer-Reviewed Literature

RESEARCH CITATIONS

All citations refer to published peer-reviewed in vitro research. Data presented for scientific reference only. No claims made regarding human therapeutic use.

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