Documentation

Epitalon COA & Specifications

Third-party certificates of analysis and chemical specifications for Epitalon (Ala-Glu-Asp-Gly, also written Epithalon) research material in 10 mg and 50 mg lyophilized vials.

Last updated 27 September 2026

Specifications

MaterialEpitalon / Epithalon (tetrapeptide)
CAS number307297-39-8
Molecular formulaC14H22N4O9
Molecular weight390.35 g/mol
SequenceAla-Glu-Asp-Gly
Physical formLyophilized powder
Vial sizes10 mg, 50 mg
Purity specification≥ 98% by HPLC
Storage−20 °C, protected from light

Certificates of analysis

Epitalon 10 mg — Lot KIZEN72826

LaboratoryOptiq Health Labs (Santa Ana, CA)
Sample ID0600.OPT.260805
Received / reported5 Aug 2026 / 21 Aug 2026
Identity (LC-MS)Epithalon confirmed
Assay (HPLC)9.68 mg per vial
Purity (RP-HPLC)99.8% (specification ≥ 98.0%)
Endotoxin (LAL)Pass (≤ 0.05 EU/mg)
Sterility (USP <71>)Pass (no growth)
Yeast & mold (USP <61>/<62>)Pass
Residual solvents (GC-MS)Pass
Heavy metals (ICP-OES)Pass

View the full certificate (PDF)

Epitalon 50 mg — Lot KIZEN72826

LaboratoryOptiq Health Labs (Santa Ana, CA)
Sample ID0601.OPT.260805
Received / reported5 Aug 2026 / 21 Aug 2026
Identity (LC-MS)Epithalon confirmed
Assay (HPLC)48.67 mg per vial
Purity (RP-HPLC)99.2% (specification ≥ 98.0%)
Endotoxin (LAL)Pass (≤ 0.05 EU/mg)
Sterility (USP <71>)Pass (no growth)
Yeast & mold (USP <61>/<62>)Pass
Residual solvents (GC-MS)Pass
Heavy metals (ICP-OES)Pass

View the full certificate (PDF)

Certificates on this page are third-party analytical reports supplied with the research materials we stock. Progressive Bioscience reviews this documentation against the product identity, specification and material received before inventory is released for sale. Reports are published where applicable. For questions about the documentation for your order, email contact@progressivebioscience.com with your order number.

Reading these results

  • Identity (LC-MS) confirms the material’s molecular mass matches Epitalon.
  • Assay is the measured amount per vial: 9.68 mg (10 mg label) and 48.67 mg (50 mg label).
  • Purity (RP-HPLC) is the main peak as a percentage of all detected material.
  • Endotoxin, sterility, yeast & mold, residual solvents and heavy metals are standard laboratory quality screens reported by the testing lab.

Verifying a certificate

Each Optiq Health Labs certificate carries a sample ID and a QR code that links to the lab’s own verification page. Compare the sample ID (0600.OPT.260805 or 0601.OPT.260805), lot number and results shown there with the certificate.

Frequently asked questions

What is the CAS number of Epitalon?

The CAS number for Epitalon (Epithalon) is 307297-39-8.

What is the molecular weight of Epitalon?

Epitalon has the molecular formula C14H22N4O9 and a molecular weight of 390.35 g/mol.

What is the sequence of Epitalon?

Ala-Glu-Asp-Gly (AEDG).

What purity is your Epitalon?

Our specification is 98% or higher by HPLC. The current certificates report 99.8% (10 mg) and 99.2% (50 mg), lot KIZEN72826, Optiq Health Labs, 21 Aug 2026.

COA documentation confirms analytical characterization for research verification. It does not authorize or imply any human, veterinary, clinical or therapeutic use. Epitalon is sold for laboratory research use only and is not a drug, food, dietary supplement, cosmetic or medical device.
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