Home Certificates of analysis TIR20-0528
Certificate of analysis
Tirzepatide 20 mg
Lot TIR20-0528 · certificate issued Jun 17, 2026
Archived
Verified · COA4856This certificate is for an earlier lot, or has been replaced by a newer certificate for this size. See the latest: lot TIR20-0803.
Purity
99.9%
RP-HPLC (214 nm)
Measured content
20.38 mg
Stated strength 20 mg
Sterility
Not Detected
USP <71>
All results
| Test | Result | Method |
|---|---|---|
| Purity | 99.9% | RP-HPLC (214 nm) |
| Measured content | 20.38 mg | HPLC quantitation |
| Identity | Conforms | MALDI-MS |
| Endotoxin | <0.05 EU/mL | USP <85> |
| Heavy metals | <0.01ppm | USP <232> |
| Sterility | Not Detected | USP <71> |
Values as printed on the laboratory’s certificate. Where a certificate does not list a result, this page says so and fills nothing in.
Certificate & verification details
Verification number
COA4856Checked Sep 24, 2026: this number opens this certificate on the testing laboratory’s own site.
- Testing laboratory
- Bioviridian Inc. · signed by Shane Straight, M.S.
- Laboratory site
- bioviridians.com
- Certificate number
- COA4856
- Lot number
- TIR20-0528
- Sample received
- Jun 1, 2026
- Certificate issued
- Jun 17, 2026
- Sample as named on the certificate
- Tirzepatide 20mg
- Sample type
- White lyophilized powder
- Vendor named on the certificate
- American Peptides
The laboratory tested a sample of this lot submitted by the vendor named above. The certificate is not reproduced on this site; the links go to the original files, unaltered.
Issue history
- Current issue · Jun 17, 2026 · served by bioviridians.comdf1ff8b5…2f26caPDF
The fingerprint (SHA-256) identifies the exact file we read on Sep 24, 2026. If the laboratory changes the file, the fingerprint changes and the next check flags it.
Other certificates for Tirzepatide
- 10 mgLot TIR10-080399.80%Aug 28, 2026Latest
- 10 mgLot TIR10-052899.9%Jun 17, 2026Archived
- 10 mgLot TIRZ10-031899.8%Apr 3, 2026Archived
- 20 mgLot TIR20-080399.80%Aug 28, 2026Latest
- 30 mgLot TIR30-080399.85%Aug 28, 2026Latest
- 60 mgLot TIR60-080399.79%Aug 28, 2026Latest
- 60 mgLot TIR600-052899.9%Jun 17, 2026Archived
- 100 mgLot TIR100-080399.85%Aug 28, 2026Latest
- 100 mgLot TIR100-061699.9%Jul 7, 2026Archived
See TirzepatideAll certificates
For laboratory research use only. Not a drug, not a supplement, not for human or veterinary use.