COA Certified · Every Batch TestedSame-Day Shipping on Orders by 2PM ESTUSA Sourced · USA ShippedFree Shipping on Orders Over $300≥99% Purity — HPLC + Mass SpecEndotoxin Tested · Sterility VerifiedCOA Certified · Every Batch TestedSame-Day Shipping on Orders by 2PM ESTUSA Sourced · USA ShippedFree Shipping on Orders Over $300≥99% Purity — HPLC + Mass SpecEndotoxin Tested · Sterility Verified
For Laboratory & Research Use Only — Not for Human or Veterinary Use
All ProductsGLP-1 & MetabolicResearch PeptidesPeptide BlendsNasal SpraysDissolving StripsBioregulatorsResearch BundlesLab Supplies Search

THYMALIN

Third-Party Tested · COA Available
Thymalin: thymic peptide complex for laboratory research. Third-party tested, 99%+ purity, COA available. Sizes: 20 mg.
$70.00 / 20 mg · USD
Volume pricingApplied automatically at checkout
QuantityPer unitYou save
3–4 units$65.107%
5–9 units$62.3011%
10+ units$58.8016%
Add 2 more to save 7% on every unit.
1
SKU THYMALIN-20MG
The Purity GuaranteeVerified ≥99% by HPLC & mass spectrometry, third-party tested, with a lot-matched Certificate of Analysis on every vial.
  • Certificate of Analysis available for every lot
  • ≥99% purity, HPLC & mass-spec verified
  • Ships from a U.S. facility — same-day before 2PM EST
  • Secure checkout · Free shipping on orders $300+

Complete your setup

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

THYMALINTHYMALINIn your order
Total for 3 items$108.00

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.

Purity≥99% by HPLC · COA available
CAS Number79621-14-0
SynonymsThymus peptide bioregulator complex
Physical FormStandardized thymic polypeptide complex (lyophilized) - not a single defined molecule
SolubilitySoluble in bacteriostatic water; consult the product COA for specific solvent recommendations.
StorageStore lyophilized at -20°C; protect from light and moisture. Reconstitute with bacteriostatic water; refrigerate reconstituted solution at 2-8°C.
Answers

Frequently Asked Questions

Is THYMALIN third-party tested?

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.

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 placed before 2PM EST typically ship the same business day from our U.S. facility with tracking. Store the lyophilized material at −20°C, protected from light and moisture.

Research Library

Learn more about THYMALIN

THYMALIN — molecular profile & reference →Reconstitution calculator
Further reading

From the research blog

More from this category

Bioregulators

← Back to BioregulatorsAll Categories