Certificate of analysis

Tirzepatide

by Peptidegurus· batch 1st Feb 2026

99.76 %

measured purity(HPLC)· February 25, 2026

HPLC purity: 99.762
Net peptide content: 14.82

From the same lot

Other tests in lot 1st Feb 2026

Same batch, independently tested. Cross-confirm the purity claim.

99.90 %

Feb 2026

Janoshik Analytical · HPLC

For

Selank

by Peptidegurus· batch 1st Feb 2026

99.80 %

Feb 2026

Janoshik Analytical · HPLC

For

GHK-Cu

by Peptidegurus· batch 1st Feb 2026

99.69 %

Feb 2026

Janoshik Analytical · HPLC

For

Semax

by Peptidegurus· batch 1st Feb 2026

99.02 %

Feb 2026

Janoshik Analytical · HPLC

For

DSIP

by Peptidegurus· batch 1st Feb 2026

—

Feb 2026

Purity not on file

Janoshik Analytical

For

Epithalon

by Peptidegurus· batch 1st Feb 2026

—

Feb 2026

Purity not on file

Janoshik Analytical

For

BPC-157

by Peptidegurus· batch 1st Feb 2026

—

Feb 2026

Purity not on file

Janoshik Analytical

For

Epithalon

by Peptidegurus· batch 1st Feb 2026