Batch report

RET-20-C-2604-001

Retatrutide 20mg Pen cartridge — the highest published Janoshik HPLC purity in this catalog. Tested 23 April 2026: 99.841% HPLC at 22.51 mg/mL measured concentration. Punch verification key APSLYZGYW4KA into janoshik.com to pull the raw report off Janoshik's server.

For in-vitro laboratory research only. Not for human or veterinary use.

Batch facts

Product
Retatrutide 20mg Pen cartridge
Batch number
RET-20-C-2604-001
Molecule
Retatrutide (LY-3437943) — CAS 2381089-83-2
Purity (HPLC)
99.841%
Measured concentration
22.51 mg/mL
Test method
Common GLP-1 peptide blind test (HPLC)
Laboratory
Janoshik Analytical
Analysis date
23 April 2026
Task number
150762
Verification key
APSLYZGYW4KA

Janoshik report

Full purity report from Janoshik Analytical. Open the image or the verification key on janoshik.com to confirm independently.

Janoshik Analytical purity report for batch RET-20-C-2604-001 — 99.841% HPLC

Common questions

What is batch RET-20-C-2604-001?
The current Retatrutide 20mg Pen cartridge. Janoshik Analytical tested it 23 April 2026 at 99.841% HPLC purity and 22.51 mg/mL measured concentration. Task 150762, verification key APSLYZGYW4KA.
How do I verify this Janoshik report independently?
Go to janoshik.com and paste verification key APSLYZGYW4KA. The portal returns the original report off Janoshik's server. Task number is 150762. Neither the report nor the lookup runs through Remy's infrastructure.
What does 99.841% HPLC actually mean?
99.841% of the measured peptide is retatrutide (LY-3437943, CAS 2381089-83-2). The other 0.159% is peptide-related — usually truncated sequences or synthesis byproducts. HPLC does not see water, salts, or residual solvents; those need separate panels (assay, heavy metals, TFA, endotoxin).
What product carries this batch?
The Retatrutide 20mg Pen cartridge sold at remypeptides.com/retatrutide-20mg-pen. The same batch number ships across all units of that SKU until a new batch is released.

Source this batch from Remy Peptides

Pricing, delivery, and order routes for the Retatrutide 20mg Pen ship under this batch number while RET-20-C-2604-001 is current.