Home Certificates of analysis PE2228-10-0528
Certificate of analysis
PE-22-28 10 mg
Lot PE2228-10-0528 · certificate issued Jun 17, 2026
Bioviridian Inc. tested Touchstone lot PE2228-10-0528 of PE-22-28 10 mg and reported 99.9% purity by RP-HPLC (214 nm), 10.21 mg measured content by HPLC quantitation and identity confirmed by MALDI-MS. Certificate COA4859, issued Jun 17, 2026. It is the current certificate for this size. Sold for laboratory research use only.
Latest certificate
Verified · COA4859Purity
99.9%
RP-HPLC (214 nm)
Measured content
10.21 mg
Stated strength 10 mg
Identity
Conforms
MALDI-MS
All results
| Test | Result | Method |
|---|---|---|
| Purity | 99.9% | RP-HPLC (214 nm) |
| Measured content | 10.21 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
COA4859Checked 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
- Touchstone lot
- PE2228-10-0528
- Laboratory’s lot, as on the certificate
- PE2228-0528
- Certificate number
- COA4859
- Sample received
- Jun 1, 2026
- Certificate issued
- Jun 17, 2026
- Sample as named on the certificate
- PE-22-28 10mg
- Sample type
- White lyophilized powder
The laboratory tested a sample of this lot. The certificate is not reproduced on this site; the links go to the laboratory’s original files, unaltered.
Issue history
- Current issue · Jun 17, 2026 · served by bioviridians.comf4a513c0…a1845ePDF
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.
For laboratory research use only. Not a drug, not a supplement, not for human or veterinary use.












