This public technical page summarizes identity and documentation information for TB-500. Prices, cart, and checkout are available only through gated store access.
TB-500 is supplied by Kratos Research Labs for laboratory research use only. This listing is limited to identity, form, composition, and documentation information; no human, veterinary, diagnostic, or therapeutic use is intended or implied.
| Product type | Synthetic peptide research material. |
|---|---|
| Form | Lyophilized powder in a sealed research vial. |
| Labeled amount | 10mg per vial. |
| Common sequence representation | N-acetylated thymosin beta-4 fragment often represented as Ac-Leu-Lys-Lys-Thr-Glu-Thr-Gln / Ac-LKKTETQ. |
| Nominal formula | C38H68N10O14 for Ac-LKKTETQ. |
| Nominal molecular weight | Approximately 889.0 Da for Ac-LKKTETQ. |
| Identity note | Confirm exact TB-500 sequence, terminal form, and salt/counterion on the batch COA. |
Documentation: Batch-specific COA and analytical identity/purity documentation should control for release, acceptance, and inventory review.
Research-use-only notice: Not for human use. Not for veterinary use. Not for diagnostic or therapeutic use. Not a drug, food, dietary supplement, cosmetic, or medical device.
Molecular formula and molecular weight values are provided for the named compound or peptide form where applicable. Acetate salts, counterions, hydrates, copper complex state, or other lot-specific forms may change the exact analytical mass and should be verified against the batch COA.
Launch-week RUO incentive: Use code KRL10 for $10 off eligible RUO catalog orders of $100 or more. Limited to the first 10 coupon uses through June 4, 2026. Payment instructions are provided after compliance review.