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Home | TB-500 10MG (Thymosin Beta-4)

TB-500 10MG (Thymosin Beta-4)

Product | TB-500 10MG (Thymosin Beta-4)

TB-500 10MG (Thymosin Beta-4)

Order top-quality TB-500 powder peptide online right here at Modern Aminos. Formulated and manufactured in the USA using strict quality standards to guarantee potent compounds free from impurities and contamination.

  • >99% purity
  • third-party tested
  • sterilized vials 





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TB-500 is the synthetic, short-chain version of the natural Thymosin Beta-4 peptide

TB-500 10mg is one of the best-selling peptides and products at Modern Aminos. Our peptides are all produced in a sterile and sanitary facility, then properly sealed to prevent contamination.

Our TB-500 peptide comes in a lyophilized powder form, which is rigorously tested for purity, authenticity, and potency to help you achieve the most accurate and precise research outcome. 

For more information regarding the quality and authenticity of our products, please visit our COAs page. You may also contact us at


Why Choose Modern Aminos?

Modern Aminos is a trusted US Research Chemicals vendor and the best place to buy peptides online

If you’re looking to buy research chemicals online, our one-stop-shop offers a wide range of third-party tested, high-quality research chemicals made in the USA — including highest quality SARMs like Ostarine 30mg and RAD-140 10mg, quality nootropics like Piracetam 800mg and Noopept 30mg, amino acids, research oils, and more!






Other Names Thymosin Beta4, Timbetasin, Thymosin Beta4 Acetate
CAS Number 885340-08-9
IUPAC Name (4S)-4-[[2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S,3S)-2-[[(2S,3R)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-1-[(2S)-2-[[(2S)-1-[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S,3S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-1-[(2S)-2-[[(2S)-2-[[(2S)-2-acetamido-3-hydroxypropanoyl]amino]-3-carboxypropanoyl]amino]-6-aminohexanoyl]pyrrolidine-2-carbonyl]amino]-3-carboxypropanoyl]amino]-4-methylsulfanylbutanoyl]amino]propanoyl]amino]-4-carboxybutanoyl]amino]-3-methylpentanoyl]amino]-4-carboxybutanoyl]amino]-6-aminohexanoyl]amino]-3-phenylpropanoyl]amino]-3-carboxypropanoyl]amino]-6-aminohexanoyl]amino]-3-hydroxypropanoyl]amino]-6-aminohexanoyl]amino]-4-methylpentanoyl]amino]-6-aminohexanoyl]amino]-6-aminohexanoyl]amino]-3-hydroxybutanoyl]amino]-4-carboxybutanoyl]amino]-3-hydroxybutanoyl]amino]-5-amino-5-oxopentanoyl]amino]-4-carboxybutanoyl]amino]-6-aminohexanoyl]amino]-4-amino-4-oxobutanoyl]pyrrolidine-2-carbonyl]amino]-4-methylpentanoyl]pyrrolidine-2-carbonyl]amino]-3-hydroxypropanoyl]amino]-6-aminohexanoyl]amino]-4-carboxybutanoyl]amino]-3-hydroxybutanoyl]amino]-3-methylpentanoyl]amino]-4-carboxybutanoyl]amino]-5-amino-5-oxopentanoyl]amino]-4-carboxybutanoyl]amino]-6-aminohexanoyl]amino]-5-amino-5-oxopentanoyl]amino]propanoyl]amino]acetyl]amino]-5-[[(1S)-1-carboxy-2-hydroxyethyl]amino]-5-oxopentanoic acid
Molecular Formula C212H350N56O78S
Molecular Weight 4963 g·mol-1
Purity ≥99%
Available Dosages &  Forms  10mg powder
Forms and sizes white lyophilized/freeze-dried powder, 5mg vial
Storage Powder peptides can be stored long-term at -20 degrees Celsius for up to 2 years and refrigerated short-term between 2 to 8 degrees Celsius for up to 3 months.

Reconstituted powders must be consumed immediately to avoid degradation.

Shelf life Up to 2 years with proper storage



The products available for purchase from Modern Aminos are intended solely for research and laboratory use. These compounds are not designed for human consumption or the diagnosis, treatment, cure, or prevention of any disease or condition.

All customers are presumed to be research professionals who understand that any compounds purchased from Modern Aminos will be handled in accordance with safety protocols mandated by their respective regulatory agencies.

Modern Aminos does not endorse the use of these products in a non-clinical setting or any other non-laboratory-based operations. By purchasing any of these compounds, you acknowledge that you will use them for legitimate research purposes only.

Modern Aminos shall not be held liable for injuries or damages resulting from the handling or use of our products. If you do not agree with these conditions, we advise  you not to proceed with the purchase of any research compounds from our company.



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