TB-500 (Thymosin Beta-4 Acetate)
TB-500 (Thymosin Beta-4 Acetate) - Image 2

TB-500 (Thymosin Beta-4 Acetate)

Price range: $29.00 through $54.00

Product Identity: Must be confirmed from the product COA
Product Type: Acetate-Associated Research Peptide Material
CAS #: Product-form dependent
Molecular Formula: Product-form dependent
Molecular Weight (M.W.): Product-form dependent
Sequence: Product identity dependent

Important Identity Clarification

The terms TB-500 and Thymosin Beta-4 are sometimes used interchangeably in commercial product listings, but they should not automatically be treated as the same chemically defined substance.

A commonly referenced TB-500 research material is the N-terminally acetylated Thymosin Beta-4 (17-23) fragment:

Ac-Leu-Lys-Lys-Thr-Glu-Thr-Gln-OH

Abbreviated sequence:

Ac-LKKTETQ-OH

By contrast, full-length Thymosin Beta-4 is a substantially larger 43-amino-acid peptide.

Therefore, if a product is labeled “TB-500 (Thymosin Beta-4 Acetate)”, the lot-specific Certificate of Analysis should be used to determine whether the supplied material is the short TB-500 fragment, full-length Thymosin Beta-4, or another defined acetate preparation.

TB-500 (Thymosin Beta-4 Acetate) is supplied as a peptide-based material for controlled laboratory and analytical research. Because commercial naming conventions for TB-500 and Thymosin Beta-4 vary, accurate scientific identification requires confirmation of the exact peptide sequence, molecular form, acetate association, and lot-specific analytical specifications.

The product should not be assigned generic molecular data solely from its commercial name. Sequence confirmation and authenticated analytical documentation are particularly important for distinguishing short peptide fragments from full-length Thymosin Beta-4 preparations.

Research Applications

The material may be examined in controlled non-clinical research involving:

  • Peptide identity and characterization
  • Sequence-specific analytical research
  • Molecular interaction studies
  • Structure-function analysis
  • Comparative peptide studies
  • Stability assessment
  • Chromatographic characterization
  • Non-clinical biochemical and cellular models

Any observations should remain specific to the exact peptide preparation being studied and should not be interpreted as evidence of therapeutic, regenerative, recovery-related, or clinical effectiveness.

Structural Information

If the product COA identifies the material as the commonly referenced TB-500 fragment, its sequence may be represented as:

Ac-Leu-Lys-Lys-Thr-Glu-Thr-Gln-OH

or:

Ac-LKKTETQ-OH

If the COA instead identifies full-length Thymosin Beta-4, this short sequence should not be used.

The acetate form should also be documented separately from the corresponding free peptide because counter-ion association can alter reported molecular formula and molecular weight.

Analytical Identification

Relevant analytical characterization may include:

  • Peptide sequence confirmation
  • Molecular mass assessment
  • Acetate/counter-ion verification
  • Chromatographic purity testing
  • Structural characterization
  • Peptide identity analysis
  • Lot-specific quality testing

Sequence verification is particularly important for this product because commercial nomenclature alone may not establish whether the material is TB-500 fragment or full-length Thymosin Beta-4.

Specifications & Documentation

Lot-specific documentation should be reviewed for:

  • Exact peptide identity
  • Amino-acid sequence
  • Acetate form
  • CAS number
  • Molecular formula
  • Molecular weight
  • Purity specification
  • Analytical testing
  • Lot or batch identification
  • Certificate of Analysis
  • Storage requirements

The Certificate of Analysis should be treated as the controlling technical source for this product.

Storage & Handling

Store according to the conditions stated on the product label and Certificate of Analysis. Protect the material from environmental conditions that could compromise peptide integrity.

Handling should follow established laboratory procedures appropriate for research materials.

Research Use Only

TB-500 (Thymosin Beta-4 Acetate) is supplied exclusively for laboratory research, analytical testing, and scientific reference purposes.

Disclaimer

For research use only. Not for human or veterinary use. Not intended for consumption, administration, recovery-related use, diagnosis, treatment, mitigation, cure, or prevention of any disease. No therapeutic, regenerative, medical, or clinical claims are made or implied. Product information is supplied solely for scientific identification, documentation, and research reference.

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