Research use onlyCertificate of analysis
Retatrutide · LY3437943
99.75%
Purity by HPLC
- Certificate no.
- JP-COA-RT20-260505
- Lot
- JP20260016
- Sample code
- RT20
- Analysis date
- May 5, 2026
- Expiry
- May 2028
- Status
- RELEASED
Janoshik Analytical · independent2× tested
Full QC panel
3 of 3 assays passedPurity (HPLC)
RP-HPLC, UV 214 nm · spec ≥ 98.0 %
99.753 %PassNet peptide content
Quantitative HPLC · spec ≥ 20 mg / vial
24.28 mgPassBacterial endotoxins
LAL (kinetic) · spec ≤ 10 EU/vial (research screen)
3.439 EU/VialPass
Product information
- Product name
- Retatrutide · LY3437943
- Class
- GIP, GLP-1 and glucagon triple receptor agonist
- CAS number
- 2381089-83-2
- Molecular weight
- 4731.4 g/mol
- Molecular formula
- C221H342N46O68
- Appearance
- White to off-white lyophilised powder
A first-in-class synthetic peptide acting as a triple agonist at the GIP, GLP-1 and glucagon receptors.
Net content
24.28 mg
Label claim20 mg
RP-HPLC chromatogram
Representative trace illustrating the measured purity; the 99.753% figure above is the value reported by the testing laboratory.
Independent verification
HPLC-tested by Janoshik Analytical, an independent third-party laboratory.
The full lab report for this batch is available on request (mass, purity and endotoxin). Message us on WhatsApp with the batch number and we’ll send it over.
Storage & stability
- Lyophilised, sealed. Store at −20 °C · protect from light
- Short-term transit. Stable at ambient temperature for up to 30 days
- After reconstitution. Refrigerate at 2–8 °C · use within 4 weeks
Authorisation
QC Analyst
Analytical Chemistry
QA Release
Quality Assurance
Digitally authorised · May 5, 2026
Declarations
- Analytical results are transcribed from independent third-party laboratory testing; the full report for this batch is available on request.
- All products are supplied strictly as research chemicals for laboratory research use only. Not for human or veterinary use, food, or drug applications.
- The buyer is solely responsible for complying with all laws and regulations governing the purchase, import, possession, storage, handling, and use of this material in their jurisdiction. JP Peptides makes no warranty as to its legal status in any territory.
- Molecular reference data (CAS, formula, molecular weight) are public standard values, not per-batch measurements.
- This document must not be altered. Reproduction is permitted only in full and without modification.
- JP Peptides disclaims all warranties, express or implied — including merchantability and fitness for a particular purpose — beyond the research-use-only scope stated above, and accepts no liability for any indirect, incidental, or consequential loss arising from use or misuse of the material.
jppeptides.in · Certificate JP-COA-RT20-260505Lot JP20260016 · RELEASED
