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Routine Peptides
HPLC tested
Representative HPLCPer lot
GLP-1 S research vial

Metabolic & GLP

GLP-1 S

Appetite Regulation Studies

Third-party testedCOA per lotView COA · 99.77%
$12020mg · $6.00/mg

Quantity

1

Ships from the United States with tracking · free shipping over $200

PassedSterility & Endotoxins
PassedNet Content & Purity
Research use only
Third-party tested
COA with every lot
Tracked shipping

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Certificates of analysis

2 lot certificates for GLP-1 S

Each certificate covers one production run, and reports on that batch alone. Open any of them to read the laboratory report exactly as the third-party lab issued it.

Authenticity

Every vial carries a code

Scan the code on the label to pull up every published certificate for that compound — the same reports the third-party laboratory issued, batch by batch. Traceable from the laboratory that tested it to your bench.

Verify a batch →

Verified, lot by lot

Per lot
  • Independently tested

    Purity is quantified by reverse-phase HPLC and identity confirmed by mass spectrometry, by an outside laboratory rather than in-house.

  • A certificate for your lot

    The report that ships with your order describes the batch you received — not the product line, and not a representative sample.

  • COA-backed replacement

    If material does not match the certificate issued for its lot, we replace it or refund it. Send us the lot number and we will trace it.

  • Tracked dispatch

    Tracking is issued when the label is created, so the shipment is traceable from the moment it leaves us.

💉
1
Receptor Target
GLP-1R selective agonist
📉
15%
Body Weight Reduction
2.4mg at 68 weeks (STEP 1)
⏱️
165h
Plasma Half-Life
Once-weekly profile
🎯
4
Research Areas
Obesity & Weight Management · Type 2 Diabetes & Glycemic Control · Cardiovascular Outcomes & more

About this compound

What GLP-1 S is

C187H291N45O59

GLP-1 S is a selective GLP-1 receptor agonist whose sequence is roughly 94% identical to native GLP-1. The single substitution that accounts for most of the difference sits at the position where DPP-4 would normally cleave the peptide, which is what extends its duration. Research examines receptor selectivity and appetite-signaling endpoints.

Formula
C187H291N45O59
Molecular weight
4113.58 g/mol
Form
Lyophilized powder
CAS / ID
910463-68-2
Read the full GLP-1 S research monograph →

Full specification

Molecular weight
4,113.58 g/mol
Physical form
Lyophilized powder
Documented purity
Quantified by HPLC, reported per lot
Storage
-20°C for long-term stability
Solubility
Water-soluble

How it works

How GLP-1 S works

The pathways GLP-1 S acts on, and what each one does. Signalling described from preclinical models.

GLP-1 Receptor Agonism

GLP-1R

Selective agonism at the GLP-1 receptor, with a sequence roughly 94% identical to the native hormone. Selectivity is the point — it engages one receptor rather than the two or three its newer relatives do.

  • Insulin secretion is glucose-dependent
  • Glucagon output suppressed
  • Gastric emptying delayed

Central Appetite Regulation

CNS

GLP-1 receptors in the hypothalamus and brainstem are the population associated with satiety signalling, which is where appetite endpoints in this literature are measured.

  • Appetite reduced in study models
  • Satiety signalling increased
  • Caloric intake lowered

Extended Half-Life Design

PK

The single substitution that accounts for most of the divergence from native GLP-1 sits exactly where DPP-4 would cleave it. Blocking that site is what turns a minutes-long half-life into a useful one.

  • Half-life reported around 165 hours
  • Albumin-binding modification
  • Resists DPP-4 cleavage

Uses & applications

What GLP-1 S is researched for

The main areas under study, and the study-reported figures behind them.

Metabolic

Obesity & Weight Management

Body-weight endpoints dominate this literature, measured against placebo and against other agonists in the same class.

Wilding et al. 2021

Endocrine

Type 2 Diabetes & Glycemic Control

HbA1c is the primary endpoint, with receptor selectivity the variable distinguishing this compound from dual and triple agonists.

Marso et al. 2016

Cardiometabolic

Cardiovascular Outcomes

Outcome trials in this class measure cardiovascular events over years rather than surrogate markers over weeks.

SUSTAIN-6, 2016

Neuroscience

Appetite & Reward Circuitry

Central receptor populations in the hypothalamus and brainstem are studied for satiety signalling rather than peripheral effects.

Davies et al. 2021

What the published work measures

The endpoints reported across the literature for this compound. The figures belong to the individual papers, not to us.

  • Mean Body Weight Change (2.4mg, 68wk)
  • Participants Losing ≥5%
  • Participants Losing ≥10%
  • Participants Losing ≥15%

Molecular structure

The GLP-1 S molecule

The verified reference values for this compound.

No 3D structure published

This compound is a long, flexible chain. Any single three-dimensional arrangement would be one of an enormous number it can adopt, so we do not show one. The sequence and the reference values beside this are the reliable description.

C187H291N45O59

Molecular formula
C187H291N45O59
Molecular weight
4113.58 g/mol
Sequence length
31 residues
CAS / ID
910463-68-2
Physical form
Lyophilized powder
Documented purity
Quantified by HPLC, reported per lot

Third-party verified

Independently tested, lot by lot.

Every batch of GLP-1 S is sent to an accredited independent laboratory before it ships. Here is what we screen for.

HPLC purity analysis

Quantifies purity and reports it on the lot certificate

Mass spectrometry

Verifies the exact molecular identity

Heavy metals screening

Lead, arsenic, cadmium & mercury

Endotoxins (LAL)

Bacterial endotoxin levels

Sterility testing

No microbial contamination

Net peptide content

Actual peptide mass per vial verified

FAQ

Common questions about GLP-1 S

What is GLP-1 S?

+

GLP-1 S is a selective GLP-1 receptor agonist whose sequence is roughly 94% identical to native GLP-1. The single substitution that accounts for most of the difference sits at the position where DPP-4 would normally cleave the peptide, which is what extends its duration. Research examines receptor selectivity and appetite-signaling endpoints.

What is GLP-1 S researched for?

+

Published research on GLP-1 S concentrates on Obesity & Weight Management, Type 2 Diabetes & Glycemic Control, Cardiovascular Outcomes and Appetite & Reward Circuitry. Each of those areas is summarised further up this page with the citation it comes from, and the full reference list — 3 indexed publications — sits at the bottom. Study designs and concentrations vary considerably between publications, so the primary sources are worth reading directly.

How does GLP-1 S work?

+

The literature describes GLP-1 S acting across GLP-1 Receptor Agonism, Central Appetite Regulation and Extended Half-Life Design, reported respectively as GLP-1R, CNS and PK. Those pathways are drawn from preclinical models rather than clinical work, and they describe what has been observed rather than a settled mechanism — the individual pathway cards above cite what each one is based on.

What are the molecular specifications for GLP-1 S?

+

GLP-1 S has a molecular formula of C187H291N45O59 and an average mass of 4113.58 g/mol. It is indexed under CAS 910463-68-2. It ships as lyophilized powder. Those are nominal reference values for the parent compound. The identity of the specific material you receive is confirmed by mass spectrometry and reported on that lot's certificate.

How should GLP-1 S be stored and reconstituted?

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Store the sealed vial at -20°C, protected from light and moisture, and let it reach room temperature before opening so condensation does not form on cold powder. GLP-1 S is water-soluble; reconstitute by directing the diluent down the vial wall rather than onto the powder, then swirl to dissolve rather than shaking. Keep reconstituted solution refrigerated and avoid repeated freeze-thaw cycles — solutions are far less stable than lyophilized powder.

Is GLP-1 S approved for human use?

+

No. GLP-1 S is supplied strictly for in-vitro laboratory research and development. It is not a drug, food, supplement or cosmetic, it has not been evaluated by the FDA, and it is not intended for human or animal consumption, ingestion, injection or any in-vivo use. Ordering confirms you are a qualified researcher or institution purchasing on that basis.

Cited sources

Peer-reviewed literature

Independent published research indexed from PubMed and peer-reviewed journals — not Routine Peptides claims.

  1. [1]NEJMOnce-Weekly GLP-1 Receptor Agonist in Adults with Overweight or Obesity (STEP 1) (opens in a new tab)2021 — Wilding JPH et al.View source →
  2. [2]NEJMGLP-1 Receptor Agonist and Cardiovascular Outcomes in Type 2 Diabetes (SUSTAIN-6) (opens in a new tab)2016 — Marso SP et al.View source →
  3. [3]LancetGLP-1 Receptor Agonist 2.4mg Once Weekly in Adults with Overweight or Obesity and Type 2 Diabetes (STEP 2) (opens in a new tab)2021 — Davies M et al.View source →

For research use only

Not for human or veterinary use. For in-vitro laboratory research only. These statements have not been evaluated by the FDA; this product is not intended to diagnose, treat, cure, or prevent any disease. Sold exclusively to qualified researchers and institutions.

Before you order

Quality Becomes RoutineMeasured. Verified. Documented.

Every production run is analyzed by an independent laboratory, and the certificate for your lot travels with the order — not a catalog-wide document, and not a summary written by us.