TB-500 is a synthetic 17-amino-acid peptide corresponding to amino acids 17 through 23 of Thymosin Beta-4 (Tβ4), specifically the active actin-binding region of the parent protein. Its sequence is Ac-Leu-Lys-Lys-Thr-Glu-Thr-Gln-Glu-Lys-Asn-Pro-Leu-Pro-Ser-Lys-Glu-Thr-OH with a molecular weight of approximately 1,890 Da. First synthesized for research applications in the early 2000s, TB-500 is studied in research models that investigate G-actin sequestration, cellular migration pathways, and tissue research applications. Also referenced as Thymosin Beta-4 fragment, Tβ4 17-23, or TB-500 10mg, it is supplied as a lyophilized powder for laboratory reference use. Triumphant Labs TB-500 is provided strictly for in vitro research applications and is not approved for human or animal use.

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Triumphant Labs products are furnished for LABORATORY RESEARCH USE ONLY. This product should only be handled by qualified, and licensed professionals. The product may not be used as a drug, agricultural or pesticidal product, food additive or household chemical – and may not be misbranded as such. Bodily introduction of any kind into humans and/or animals is strictly forbidden by law.

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*Research chemicals are chemical substances used by scientists for medical and scientific research purposes. One characteristic of a research chemical is that it is for laboratory research use only; a research chemical is not intended for human or veterinary use. This distinction is required on the labels of research chemicals, and is what exempts them from regulation under parts 100-740 in Title 21 of the Code of Federal Regulations (21CFR).