Can I see the Certificate of Analysis before buying?

Yes. Ask us for the lot-matched COA before you order and we will send it, documenting identity, purity, and full analytical results.

What does 'Research Use Only' mean?

This product is supplied strictly for laboratory and research use only (RUO). It is not a drug, food, supplement, or cosmetic, is not approved by the FDA, and is not intended to diagnose, treat, cure, or prevent any disease, or for human or veterinary consumption.

How is it shipped and stored?

Orders ship from the United States with tracking, in plain packaging with no identifying labels on the outside. Store the lyophilized material at −20°C, protected from light and moisture.

CatalogTHYMALIN

THYMALIN

Name: THYMALIN
Brand: United Peptides
SKU: THYMALIN-20MG
Price: 70 USD
Availability: InStock

Research Peptide

Thymalin: thymic peptide complex for laboratory research. Third-party tested, 99%+ purity, COA available. Sizes: 20 mg.

$70.00

Per 20 mg · USD

Quantity

SKU THYMALIN-20MG

Third-party tested, ≥99% purity by HPLC and mass spectrometry
Lot-matched Certificate of Analysis available for every lot
Ships from the United States with tracking, in plain packaging

Thymalin is a peptide preparation derived from the thymus, studied alongside thymosin alpha-1. It is used in research on immune regulation and T-cell function.

Common research applications include:

Immune-regulation research
T-cell function studies
Thymic peptide pharmacology

Specifications

Class: Thymic peptide complex
Form: lyophilized powder in a sealed glass vial
Available sizes: 20 mg
Purity: verified at 99% or higher by HPLC, identity confirmed by mass spectrometry
Testing: every lot is third-party tested, with a lot-matched Certificate of Analysis available on request
Manufactured in the USA
Storage: keep sealed, cool, dry and away from light; refrigerate after reconstitution

For laboratory research use only. This product is not for human or veterinary use, is not a drug, food or cosmetic, and is not intended to diagnose, treat, cure or prevent any disease.

Specification

Purity: ≥99% by HPLC · COA available
CAS Number: 79621-14-0
Synonyms: Thymus peptide bioregulator complex
Physical Form: Standardized thymic polypeptide complex (lyophilized) - not a single defined molecule
Solubility: Soluble in bacteriostatic water; consult the product COA for specific solvent recommendations.
Storage: Store lyophilized at -20°C; protect from light and moisture. Reconstitute with bacteriostatic water; refrigerate reconstituted solution at 2-8°C.

Complete your setup

Lyophilized peptides need bacteriostatic water and a syringe to reconstitute. Add the essentials in one click.

THYMALINIn your order

Reconstitution Solution — 30 mL$30.00Required

Reconstitution Kit$49.99

Total for 2 items$100.00

Answers

Frequently asked.

Yes. Every lot is independently third-party tested for identity and purity — ≥99% by HPLC and mass spectrometry — with a lot-matched Certificate of Analysis available on request for every lot.