For laboratory and research use only. Not for human or animal consumption. Sold to qualified researchers and licensed laboratories.
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Thymalin 20 mg research peptide vial with lot THYM20-0318 label
Repair & Recovery · SKU T-20

Thymalin 20 mg

Thymic peptide preparation studied in immune and ageing research.

$70 per 20 mg vial · free shipping over $1,000

In stock · ships same day on orders before 2pm ET

20 mg · lot THYM20-031899.8% purity by RP-HPLC (214 nm) · content 18.79 mg · certificate
IdentityThymalin confirmed by MALDI-MS
Endotoxin≤0.05 EU/mL
LaboratoryBioviridian Inc. · code COA3390 · check it on the lab's site
FormLyophilized powder, sealed vial
Storage-20°C sealed · 2-8°C reconstituted
Buying in quantity?

Wholesale pricing starts at 25 vials per SKU, with net-30 terms for verified institutions. It is quoted per order rather than applied in the cart — ask for a wholesale quote.

Every lot of Thymalin in the COA library · Latest lot report

Ships same day on orders before 2pm ET. For laboratory research use only. Not for human or animal consumption.

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What is Thymalin?

Thymalin is the name of a thymic peptide preparation from the Khavinson bioregulator series, studied in immune and ageing research. The lot sold here carries a certificate whose identity line reports a mass of 858.8, which is the mass of thymulin, the defined thymic nonapeptide, rather than of a mixture; the research guide sets out what that means for a methods section. Pepstral supplies it as a lyophilized powder for in-vitro laboratory research only.

→Read the full Thymalin research guide

What is Thymalin studied for?

  • Immune-parameter studies in ageing models
  • Thymic peptide comparisons
  • Lymphocyte population assays
  • Bioregulator series research

All applications above are in-vitro or preclinical research contexts. Thymalin is sold for laboratory research only and is not for human or animal use.

What does the certificate for lot THYM20-0318 show?

Every lot of Thymalin is tested by an independent US laboratory before it is listed. The report for lot THYM20-0318 is in the COA library and the lot number printed on the vial matches it. The current results:

TestMethodLot THYM20-0318 result
IdentityMALDI-MSThymalin · conforms
ContentHPLC quantitation18.79 mg
PurityRP-HPLC (214 nm)99.8%
EndotoxinUSP <85>≤0.05 EU/mL

How is Thymalin handled and stored?

Sealed vials are stored at -20°C away from light and keep for 24 months. To reconstitute, add bacteriostatic water slowly down the inside wall of the vial and swirl until clear; never shake. Once in solution, keep at 2 to 8°C and use within our 28-day default for a preserved solution. The concentration table gives the dilution volumes and microlitre aliquots for this vial.

Frequently asked questions

Is thymalin a single defined peptide?

The name refers to a preparation, but the certificate for this lot reports a single mass, 858.8, matching the nonapeptide thymulin. Record the lot number and the certificate in any methods section rather than either name alone.

How does it differ from thymosin alpha-1?

Thymosin alpha-1 is a defined 28-residue synthetic sequence; thymalin is a preparation from the bioregulator literature.

Is Thymalin for human use?

No. Every product on this site is sold for in-vitro laboratory research only and is not for human or animal consumption, diagnostic or therapeutic use.

Also ordered as part of immune set.

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Lot certificatesPublished in full, and the product page says when a lot has none
≥99% purityHPLC and LC-MS verified
Same-day shippingOrders before 2pm ET
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Ships from the USADispatched domestically with tracking
Discreet packagingPlain box, no product names

Restock alerts and new lot reports, by email

One email when a new certificate is published, when a sold-out compound is back, or when a new compound is added. About twice a month, nothing else.