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TB-500 10mg
TB-500 10mg - Image 2

TB-500 10mg

$99.00

Scientific Overview

  • Product Name: TB‑500 (Thymosin Beta‑4)

  • Category: Synthetic peptide for research use only

  • Intended Use: In vitro research, cell migration and tissue repair investigations

  • Source: Recombinant or synthetic peptide preparation

  • Appearance: Lyophilized (freeze‑dried) white to off‑white powder

  • Molecular Formula: C₆₅₈H₁₀₅₁N₁₆₇O₂₀₅S₅ (approximate — dependent on sequence variant)

  • Molecular Weight: ~4,960 Da (approximate)

  • Amino Acids: 43‑residue peptide sequence (human thymosin beta‑4 fragment)

  • CAS Number (if assigned): Not universally standardized, may vary by supplier

  • Common Synonyms: TB500, Thymosin β4 fragment

  • Use Restriction: For in vitro research only — Not approved for therapeutic or human use

Please Note: These products are intended strictly for laboratory research purposes only. They are not for human consumption, medical use, or veterinary application.
Disclaimer: If multiple different peptides are purchased, they must be injected separately. Mixing them in the same syringe can alter the pH balance, which may cause adverse side effects.

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Sequence & Structure

  • Synthetic peptide representing the active fragment of the natural Thymosin Beta‑4 protein

  • Designed to promote cellular migration and repair pathways in research models

Purity Standards

  • Typical purity: ➤ ≥98 % by HPLC analysis (often reported as high as ≥99 %)

  • Confirmed by analytical HPLC and/or mass spectrometry

  • Low levels of detectable impurities

Assay / Activity

  • Verified by HPLC peak area showing a dominant peptide peak

  • Mass spectrometry (MS) confirms correct mass for peptide sequence

  • Bioactivity demonstrated via cell migration or proliferation assays in research settings

    • Analytical Purity:

      • HPLC showed single major peak with ≥98 % area

      • Identity confirmed via MS showing matching molecular mass

    • Endotoxin Levels:

      • Some research‑grade batches have low endotoxin (<0.1 EU/µg), if tested

    • Batch‑Specific COA:

      • Purity percentage by HPLC

      • MS identity and retention time data

      • Peptide content per vial

      • Storage guidance

  • Lyophilized Powder (Unopened)

    • Short‑Term: Store at 2‑8 °C (refrigerator)

    • Long‑Term: Store at ‑20 °C to ‑80 °C (preferred for maximum stability)

    • Store in a dry, dark, airtight container

    • Include desiccant to reduce moisture uptake

    Reconstituted (After Adding Solvent)

    • Reconstitute with sterile water or appropriate buffer immediately before use

    • Short‑Term Use: 2‑8 °C for up to 7 days

    • Mid‑Term: Freeze single‑use aliquots at ‑20 °C/‑80 °C (avoid repeated freeze‑thaw cycles)

    • Avoid repeated thawing; cycles degrade peptide integrity

    Stability Considerations

    • Peptides may degrade upon moisture exposure, light, or oxidation

    • Clear solutions with no particulates indicate good condition

  • Lyophilized Powder (Unopened)

    • Short‑Term: Store at 2‑8 °C (refrigerator)

    • Long‑Term: Store at ‑20 °C to ‑80 °C (preferred for maximum stability)

    • Store in a dry, dark, airtight container

    • Include desiccant to reduce moisture uptake

    Reconstituted (After Adding Solvent)

    • Reconstitute with sterile water or appropriate buffer immediately before use

    • Short‑Term Use: 2‑8 °C for up to 7 days

    • Mid‑Term: Freeze single‑use aliquots at ‑20 °C/‑80 °C (avoid repeated freeze‑thaw cycles)

    • Avoid repeated thawing; cycles degrade peptide integrity

    Stability Considerations

    • Peptides may degrade upon moisture exposure, light, or oxidation

    • Clear solutions with no particulates indicate good condition

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