Buy Thymosin Alpha-1 in the USA

Every Thymosin Alpha-1 lot we ship is validated by Janoshik Analytical via HPLC and mass spectrometry. The corresponding Certificate of Analysis is referenced from the product page so researchers can verify the exact batch they received. We do not ship without an in-hand COA.

Orders placed before 2 PM ET ship the same day from our New York research-supply facility. Free shipping is included on orders over $200, and every order includes batch-specific COA documentation.

Thymosin Alpha-1 (Tα1) is a 28-amino acid peptide originally isolated from Thymosin Fraction 5, a preparation derived from bovine thymus tissue. It is one of the most extensively characterized immunomodulatory peptides, with over 4,400 published studies investigating its role in immune system regulation.

**Molecular Profile:** - Molecular Formula: C₁₂₉H₂₁₅N₃₃O₅₅ - Molecular Weight: 3,108 g/mol - Length: 28 amino acids (acetylated N-terminus) - CAS Number: 62304-98-7

**Research Applications:** - T-cell maturation and differentiation (CD4+, CD8+) - Dendritic cell activation and antigen presentation - NK cell cytotoxicity enhancement - Toll-like receptor (TLR) signaling modulation - Cytokine profile regulation (IL-2, IFN-α, IFN-γ) - Vaccine adjuvant effect studies - Immune reconstitution in immunocompromised models

**Quality Standards:** - Purity: ≥99% verified by HPLC - Third-party tested with COA included

*FOR RESEARCH USE ONLY. Not for human consumption.*

Researchers should refer to peer-reviewed publications for primary sources on this compound. Thymosin Alpha-1 is sold strictly for laboratory research use and is not intended for human or veterinary use.

Lyophilized Thymosin Alpha-1 stores at −20 °C protected from light. After reconstitution with bacteriostatic water per your laboratory's SOP, refrigerate at 2–8 °C and reference your lot's COA for any compound-specific guidance.

BioInfinity Lab ships Thymosin Alpha-1 same-day from New York for all orders placed before 2 PM ET, Monday through Friday. We use insulated cold-shipping where indicated. International researchers should review our /shipping page for region-specific guidance.