Description

TB-500 is the synthetic, short-chain version of the natural Thymosin Beta-4 peptide. TB-500 is one of the best-selling peptides and products at Modern Aminos. Our peptides are all produced in a sanitary facility, then properly sealed to prevent contamination. Modern Aminos’ TB-500 peptide comes in a lyophilized powder form, available in both 5mg & 10mg powder vials.     PROPERTIES 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 5mg&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   Why Choose Modern Aminos? Modern Aminos is the best place to buy peptides online. We are a trusted Research Chemicals vendor with formulations that meet industry standards and comply with quality regulations in Europe, USA, and Canada to ensure product safety and efficiency. 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 top-tier peptides , nootropics , amino acids , research oils , liquid research compounds , and more! Our products are routinely and rigorously tested for purity, with COAs verifiable through third-party laboratory testing services .