20/09/2026 · Blog

AOD-9604 Research Peptide: Why “HGH Fragment” Doesn’t Tell You Enough

AOD-9604 research peptide vials

AOD-9604 is often described online simply as an “HGH fragment.” For professional laboratories, however, that description raises more questions than it answers.

What is the actual sequence? Is the material correctly identified? Does the purity result belong to the batch being supplied?

For B2B buyers sourcing AOD-9604 research peptide, these questions matter more than marketing claims.

What Is AOD-9604?

AOD-9604 (CAS 221231-10-3) is a synthetic peptide derived from the C-terminal region of human growth hormone.

Its sequence is:

Tyr-Leu-Arg-Ile-Val-Gln-Cys-Arg-Ser-Val-Glu-Gly-Ser-Cys-Gly-Phe

AOD-9604 has been investigated experimentally in research involving:

  • lipid metabolism;
  • fat oxidation;
  • lipolysis-related pathways;
  • metabolic signaling;
  • growth-hormone-fragment biology.

Early studies reported metabolic effects in animal models, but animal findings should not be interpreted as proof of human weight-loss efficacy.

AOD-9604 Is Not the Same as Full-Length HGH

This distinction is important.

AOD-9604 is a specific synthetic peptide fragment, while human growth hormone is a much larger protein.

That means professional buyers should not treat labels such as:

“HGH peptide”
“HGH fragment”
“AOD-9604”

as automatically interchangeable.

The sequence, molecular identity and batch documentation should match the material actually being purchased.

Peptide manufacturing quality control laboratory with HPLC analysis at Sunone
HPLC analysis and laboratory quality control supporting peptide manufacturing and batch verification.

What Do AOD-9604 Reviews Say?

Online experiences are mixed.

Some users report perceived changes involving body composition or waist measurements.

Others report little or no noticeable effect.

Negative discussions also mention experiences such as:

  • headache;
  • injection-site irritation;
  • gastrointestinal discomfort;
  • disappointment relative to cost.

These reports cannot establish efficacy or causality.

Diet, exercise, other compounds, different suppliers and unknown material quality frequently make online experiences difficult to interpret.

For research procurement, analytical verification is more useful than anecdotal reviews.

Choosing an AOD-9604 Supplier: Four Things to Verify

1. Confirm the Sequence

A professional supplier should clearly identify the peptide being supplied as AOD-9604 and provide matching molecular information.

2. Review HPLC Purity

AOD-9604 HPLC data can help characterize chromatographic purity and impurities.

But remember:

A high purity percentage does not independently prove molecular identity.

3. Verify Identity

Where applicable, mass spectrometry or other appropriate analytical techniques can provide additional support for peptide identity.

Professional buyers should evaluate identity and purity together.

4. Request a Batch-Specific COA

An AOD-9604 Certificate of Analysis should correspond to the actual production lot.

Depending on the research application, buyers may consider reviewing:

  • HPLC purity;
  • identity testing;
  • batch or lot number;
  • molecular information;
  • product specification;
  • SDS;
  • storage information.
Peptide inquiry and quote quality evaluation laboratory at Sunone
Laboratory evaluation supporting peptide inquiries, product specification review and quotation preparation.

AOD-9604 Research Peptide from Sunone

Sunone (Hong Kong) Biopharmaceutical International Technology Co., Limited supplies AOD-9604 for qualified laboratory research and manufacturing applications.

Current product information includes:

Product: AOD-9604
Synonyms: AOD9604 / AOD 9604 / HGH Fragment Research Peptide
CAS: 221231-10-3
Sequence: YLRIVQCRSVEGSCGF
Molecular Weight: 1815.1 g/mol
Grade: Research Grade
Purity: ≥99% by HPLC
Form: Lyophilized Powder
Documentation: COA, SDS and Specification Sheet available

Looking for a high-purity AOD-9604 research peptide supplier, batch documentation or B2B quantities?

View AOD-9604 Specifications :

Send Sunone your required quantity, packaging, specification and analytical-documentation requirements for a B2B quotation.

AOD-9604 FAQ

What is the CAS number for AOD-9604?

AOD-9604 is commonly identified as CAS 221231-10-3.

Is AOD-9604 the same as human growth hormone?

No. AOD-9604 is a synthetic peptide derived from a region of human growth hormone and should not be treated as equivalent to full-length HGH.

What should buyers request from an AOD-9604 supplier?

Professional buyers may consider reviewing batch-specific COA, HPLC purity, identity information, SDS, product specifications and lot traceability.

Is AOD-9604 an FDA-approved weight-loss drug?

No. AOD-9604 is not an FDA-approved drug for weight loss or other therapeutic indications in the United States.

Where can I request AOD-9604 research peptide specifications?

Qualified B2B buyers can review the Sunone AOD-9604 product page and submit their quantity and documentation requirements for quotation.


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Nur für Forschungs- und Herstellungszwecke. Die Produkte werden an qualifizierte Unternehmen gemäß den Gesetzen und Vorschriften des Bestimmungslandes geliefert. Nicht für den persönlichen, diagnostischen oder therapeutischen Gebrauch bestimmt, sofern nicht ordnungsgemäß registriert und zugelassen.