TB-500 is a thymosin beta reference material, also identified as Thymosin Beta-4 Acetate in technical documentation. It is a 43-amino-acid peptide with an acetylated N-terminal serine. We supply it as lyophilized powder in the sizes shown in Product Details for in vitro laboratory research.
Product Details
- Sizes: 5mg, 10mg
- Compound: TB-500
- Technical reference: Thymosin Beta-4 Acetate
- Peptide Length: 43 amino acids
- Sequence: Ac-SDKPDMAEIEKFDKSKLKKTETQEKNPLPSKETIEQEKQAGES
- CAS: 77591-33-4
- Molecular Weight: approximately 4963.5 Da
- Molecular Formula: C212H350N56O78S
- Form: Lyophilized powder
- Quality: High-purity, batch documented
- Testing: View COA (Verified by ILS Laboratories) →
Lab reports
The current batch report appears on this page, with a link to verify it on the testing laboratory’s own portal. Every TB-500 report published so far is kept on one page.
- TB-500 lab report page
- Quality & testing: how we test
Common questions
What sizes is TB-500 sold in?
One vial per unit. The size picker above lists each size and shows which are in stock now. Pack pricing applies automatically in the cart for orders of more than one vial.
How is it supplied?
As lyophilized (freeze-dried) powder in a sealed vial.
How fast does it ship?
Orders ship from the US within 1–2 business days, and orders of $50 or more ship free.
Is it for human use?
No. TB-500 is sold for in vitro laboratory research only. It is not for human or veterinary use, and we give no guidance on use in people or animals.