That Peptide Store

Verify

COA Verification

Look up any product in our catalog and review the key Certificate of Analysis fields — purity, CAS number, molecular formula, and the full analytical results table. Every field from the signed release document is shown right here on the page — no PDF downloads.

Search by product name or CAS number — hyphens optional.

Weight Loss & Anti-Diabetic

Tirzepatide

COA · PASS

Batch TPS-2026-3135

https://thatpeptidestore.com/coa-verify?product=tirzepatide

Purity (HPLC)

99.00%

Spec ≥ 99.0 %

CAS #
2023788-19-2
Molecular Formula
C225H348N48O68
Molecular Weight
4813.53 g/mol
Appearance
White lyophilized powder
Storage
-20°C, protect from light
Mfg / Test / Expiry
2026-02-07 · 2026-02-11 · 2028-02-07
TestMethodSpecificationResultStatus
Purity (HPLC)RP-HPLC / UV 220 nm≥ 99.0 %99.00 %PASS
IdentityLC-MS (ESI+)Matches ref. mass4813.5 [M+H]+PASS
Water ContentKarl Fischer≤ 8.0 %0.9 %PASS
Acetate ContentIon Chromatography≤ 12.0 %1.1 %PASS
EndotoxinsLAL (Kinetic Chromogenic)< 5 EU/mg< 0.14 EU/mgPASS
BioburdenUSP <61>< 100 CFU/g< 2 CFU/gPASS
Heavy MetalsICP-MS≤ 10 ppm< 0.1 ppmPASS
Residual SolventsGC-MSUSP <467> compliantCompliantPASS

Representative COA. Every field from the signed release document tied to the exact batch on your vial is displayed above — no downloads. To confirm your specific lot, email your batch code to support@thatpeptidestore.com.