Third-party lab testing: 2 independent Janoshik assays on file, median measured purity 97.5%, most recent test 2025-11-25.
Peptide supplier identified through Janoshik analytical testing records.
D. Coine is listed as active. Discovered via Janoshik third-party lab testing.
| Substance | Measured purity | Test date |
|---|---|---|
| HGH 191AA (somatropin) | 97.46% | 2025-11-25 |
| HGH 191AA (somatropin) | not reported | 2025-11-25 |
1 of these 2 assays report a measured purity figure. The other 1 confirm the substance was submitted and tested but carry no purity number on the certificate, which is not the same as a failed result.
| Status | Active |
|---|---|
| Independent assays on file | 2 |
| Median measured purity | 97.5% |
| Certificates of analysis | Vendor states COAs are available |
| Vendor type | Research-use supplier |
D. Coine is listed as active and we hold 2 independent Janoshik assays on file, median measured purity 97.5%. That is evidence about the batches that were tested or published, not a guarantee about the vial you receive.
Yes. We hold 2 third-party Janoshik assays for D. Coine, with a median measured purity of 97.5%. The most recent is dated 2025-11-25.
Popular peptides: Semaglutide, Tirzepatide, Retatrutide, BPC-157, CJC-1295, Ipamorelin.
Compare this vendor: D. Coine vs Henan Sahe Peptide.
Other reviewed vendors: DAHAN Peptide Review, Dalian Handom Chemicals HDC Peptides Review, Dankang BioHealth Peptides Review.