This public technical page summarizes identity and documentation information for P21. Prices, cart, and checkout are available only through gated store access.
P21 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 research peptide. |
|---|---|
| Form | Lyophilized powder in a sealed research vial. |
| Labeled amount | 10mg per vial. |
| Molecular identity | P21 / P021-type research peptide listing. |
| Sequence and modifications | Exact sequence, terminal modifications, salt form, and molecular weight should be verified against the batch COA for the supplied lot. |
| Formula handling | A single catalog-level molecular formula is not provided because P21/P021 listings can differ by modification and source specification. |
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.
For this listing, the batch COA should be treated as the controlling source for sequence, mass, purity, and counterion/salt form.
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.