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Thymalin research peptide 10 mg vial, lyophilized – Peptide Medix EU
  • HPLC-assayed purity of ≥99%
  • Certificate of analysis tied to your lot number
  • Tracked EU delivery, dispatched the next working day

Immune Peptides

Thymalin

Standardised polypeptide complex from thymus in lyophilised research vials

In stock2 formats availableCAS 79621-14-0

€46Range €46 – €72

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  • FormLyophilized polypeptide complex, sealed glass vial with crimped stopper
  • Mol. weightNot a single defined mass — a polypeptide fraction, not one compound
  • Research areasImmune parameters in ageing models, thymic bioregulator studies

For laboratory research use only. Sold exclusively for in-vitro laboratory research by qualified professionals. Not for human or veterinary use, and not a medicine, food, cosmetic or dietary supplement. Terms and Conditions

Overview

Key facts

Thymalin is a mixture, not one compound: a standardised set of low-molecular-weight polypeptides obtained from thymus tissue.

CAS number
79621-14-0
Molecular weight
Not a single defined mass — a polypeptide fraction, not one compound
Amino acid sequence
Not applicable; the complex contains multiple peptide species
Form
Lyophilized polypeptide complex, sealed glass vial with crimped stopper
Storage
−20 °C, sealed and protected from light and moisture
Available sizes
10 mg · 20 mg

For research use only. Not for human consumption.

Thymalin is a mixture, not one compound: a standardised set of low-molecular-weight polypeptides obtained from thymus tissue. It originated in the Russian peptide bioregulator programme linked to Vladimir Khavinson and has been studied there since the 1970s. For anyone specifying reagents this matters — there is no single sequence, formula or exact mass to cite, and its certificate of analysis assesses the complex against a specification instead of stating purity for one molecule.

Under the bioregulator concept, short peptide fractions from a tissue are thought to signal back to that same tissue; Thymalin represents the thymus, just as Epitalon represents the pineal gland and Vilon and Prostamax other tissues. That programme's publications cover immune measures in ageing animals as well as long-running observational cohorts in humans.

What sets this listing apart

Thymalin – vial, 10/20 mg. Lyophilized polypeptide complex, sealed glass vial with crimped stopper. Other Thymalin listings differ in format, fill or combination partners; the specification and COA always refer to the listing you order.

Same compound, other listings

Specifications

Identity

CAS number
79621-14-0
Molecular weight
Not a single defined mass — a polypeptide fraction, not one compound
Amino acid sequence
Not applicable; the complex contains multiple peptide species
Peptide class
Tissue-derived peptide bioregulator (thymic)

Supply & purity

Form
Lyophilized polypeptide complex, sealed glass vial with crimped stopper
Available sizes
10 mg, 20 mg

Handling & storage

Storage (lyophilized)
−20 °C, sealed and protected from light and moisture
Storage (reconstituted)
2–8 °C, protected from light, used within the study window

Additional detail

Composition
Standardised mixture of low-molecular-weight thymic polypeptides
Source tissue
Thymus
Documentation
Lot-matched COA reporting the complex against its specification
Research areas
Immune parameters in ageing models, thymic bioregulator studies

Questions about Thymalin

What exactly is Thymalin?

Not one synthetic molecule but a standardised complex of small polypeptides taken from thymus tissue. It is part of the bioregulator family developed in Russian labs, and we supply it as lyophilised research powder.

Why no formula or sequence?

The material is a fraction containing many peptide species. With no single mass for mass spectrometry to confirm and no single sequence to state, it is defined by its source, manufacturing process and analytical profile.

Thymalin versus Thymosin Alpha-1 — what's the difference?

Thymosin Alpha-1 is one defined 28-residue peptide whose sequence, formula and mass can be checked analytically; Thymalin is a mixture. Both trace back to research on thymic extracts, yet they cannot stand in for each other in a study.

Which document accompanies a lot?

A certificate carrying the vial's lot number that assesses the complex against its manufacturing specification. Since a fraction's purity can't be expressed as one area-percent value, the document reports conformity rather than a single chromatographic peak.

How convincing is the evidence published so far?

It rests mostly on rodent experiments and observational human cohorts from the programme that developed it, much of it in Russian-language journals. Independent replication elsewhere is scarce — something to weigh when interpreting findings.

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