Retatrutide 60mg Injection Pen Kit

Retatrutide 60mg in 3ml at 20mg/ml, in a pen-format unit.

Active ingredient: Retatrutide
Strength: 60mg
Format: Injection pen
Volume: 3ml

CertificateSYN-COA-2026-YWRZ3560Batch YWRZ3560

Verify your unit Current certificate Instructions booklet

For research reference only. Check the linked batch and lab documents before relying on a unit.

Specification

Active Ingredient: Retatrutide
Nominal Amount: 60mg
Fill volume: 3ml
Concentration: 20mg/ml
Format: Injection pen
Category: Metabolic

Presentation and contents

1× pen-format unit (60mg)
documentation insert. Needles not included: standard pen needles
32G (0.23mm) × 4mm

Storage and handling

Before first use: In a refrigerator at 2°C to 8°C. Do not freeze. Keep away from the cooling element and protect from light.
After first use: Up to 6 weeks below 30°C, or up to 16 weeks in a refrigerator away from the cooling element.

Handling

Keep the pen cap on when the pen is not in use, to protect the solution from light.
Do not use the solution if it is not clear and colourless or almost colourless.
Do not use the pen after the expiry date on its label.

From the instruction booklet, revision 08/2026. Open instruction booklet →

Mechanism

Receptors and pathways

Open the comparison

Retatrutide

Targets

GIP receptor
GLP-1 receptor
Glucagon receptor

A single peptide agonist of the GIP, GLP-1 and glucagon receptors.

Reference data

Molecular weight: 4769.5 Da
Reported half-life: ~6 days

Reference values for the molecule from the Synedica library. They were not measured on this batch.

Library entry for Retatrutide

Lab testing

Results on the current certificate

Passed: 15/15
Testing laboratory: Synedica Analytical Laboratories
Current batch: YWRZ3560

Test NameMethodSpecificationResultStatus

Identity and description

Confirms the substance and its appearance match the specification.

2/2

Appearance
Visual inspection, Ph. Eur. 2.2.1
SpecificationClear, colourless solution, free from visible particles
ResultConforms
Pass
Identity
ESI-MS, ≤ 5 ppm
SpecificationConfirmed [M+5H]⁵⁺ = 947.3
ResultConfirmed
Pass

Strength and purity

How much active ingredient is present, and how much of it is the intended compound.

3/3

Assay (content)
RP-HPLC-UV, C18, 220 nm
Specification95.0 – 105.0% of label claim
Result100.5%
Pass
Purity
RP-HPLC-UV, C18, 220 nm
Specification≥ 98.0%
Result98.9%
Pass
Related substances
RP-HPLC-UV, area normalisation
Specification≤ 2.0% total
Result1.1%
Pass

Safety and contaminants

Microbial, endotoxin, particle and elemental impurity limits.

5/5

Visible particles
Ph. Eur. 2.9.20
SpecificationPractically free from visible particles
ResultConforms
Pass
Particulate matter (sub-visible)
Light obscuration, Ph. Eur. 2.9.19
SpecificationMeets Ph. Eur. limits for parenteral use
ResultConforms
Pass
Sterility
Membrane filtration, Ph. Eur. 2.6.1
SpecificationNo growth at 14 days
ResultConforms
Pass
Bacterial endotoxins
LAL kinetic chromogenic, Ph. Eur. 2.6.14
Specification< 10.0 EU/mL
Result< 0.32 EU/mL
Pass
Elemental impurities
ICP-MS, ICH Q3D / Ph. Eur. 2.4.20
SpecificationMeets ICH Q3D parenteral limits
ResultConforms
Pass

Solution and container

Physical properties of the solution and the integrity of its container.

5/5

pH
Potentiometry, Ph. Eur. 2.2.3
Specification7.0 – 8.0
Result7.47
Pass
Osmolality
Ph. Eur. 2.2.35
Specification270 – 330 mOsm/kg
Result316 mOsm/kg
Pass
Preservative content
RP-HPLC-UV (m-cresol)
Specification85.0 – 115.0% of label claim
Result92.7%
Pass
Extractable volume
Ph. Eur. 2.9.17
Specification≥ label claim
ResultConforms
Pass
Container closure integrity
Dye ingress, ASTM F1929
SpecificationNo ingress
ResultConforms
Pass

PassSYN-COA-2026-YWRZ3560Issued 2026-08

Open certificate →View certificate history

Traceability

From batch to your unit

01
Batch produced
YWRZ3560
02
Laboratory analysis
Synedica Analytical Laboratories
15 tests
03
Certificate issued
SYN-COA-2026-YWRZ3560
2026-08
04
Unit code printed
One code per unit
05
You verify
Enter the code on this page

Packaging security

Verify this unit

Unit code

Reta Pen 60mg

The 6-character code is under the scratch-off panel on the pack.

Instructions for useThe booklet supplied in the pack.Open instruction booklet →

Check the pack before you open it

A genuine pack carries a holographic seal, a tamper seal and a scratch-off panel over the unit QR code and its 6-character code.

Holographic seal
Tamper seal
Scratch-off panel
Information QR code
Batch number and expiry date
Product name and strength

Schematic drawing. The position of each feature differs between products.

How falsified packs are recognised

Questions about this formulation

Is this formulation for use in people?

No. Synedica formulations are supplied for laboratory research use only.

How do I check that a pack is genuine?

Check that the holographic seal and the tamper seal are intact. Then scratch off the panel and scan the unit QR code, or enter its 6-character code in the form on this page.

Where is the certificate for my batch?

Certificates are listed by batch number in the certificate register. Match it to the batch number printed on your pack.

Research Use Only

Material referenced on this site is supplied for laboratory and analytical research use only. It is not a drug, biologic, medical device, dietary supplement, or cosmetic, is not intended for human or veterinary use, and has not been evaluated by the U.S. Food and Drug Administration. Nothing on this site is medical advice or a recommendation to diagnose, treat, cure, or prevent any condition. Visitors are solely responsible for determining and complying with the laws applicable to research material in their jurisdiction.