Every Cartalax certificate of analysis below is from an independent third-party lab, ingested and verified by TitrateLab. The figures here are computed live from the 22 published Cartalax certs in our corpus.
22
Certificates
2
Independent labs
99.8%
Median tested purity
52%
Within 10% of label dose
Verified Cartalax certificates of analysis
| Vendor | Purity | Dose vs label | Lab | Tested | |
|---|---|---|---|---|---|
| Cartalax | 99.746% | -29.9% | Janoshik | 2026-02-25 | View COA → |
| Uther Peptide | 99.753% | +11.2% | Janoshik | 2026-02-18 | View COA → |
| (unknown) | 99.908% | -42.7% | Janoshik | 2026-02-13 | View COA → |
| (unknown) | 99.847% | -22.2% | Janoshik | 2026-02-05 | View COA → |
| Modern Research LLC | 99.708% | — | Janoshik | 2026-01-16 | View COA → |
| classified | 99.847% | +0.0% | Janoshik | 2026-01-12 | View COA → |
| 303peptides.com | 99.847% | +0.0% | Janoshik | 2026-01-12 | View COA → |
| Xcel Peptides | 99.83% | -0.9% | Janoshik | 2025-12-17 | View COA → |
| Peptide Gurus | 99.88% | +0.0% | Janoshik | 2025-12-11 | View COA → |
| Uther Peptide | 99.857% | +6.5% | Janoshik | 2025-11-25 | View COA → |
| Xcel Peptides | 99.914% | -5.6% | Janoshik | 2025-11-11 | View COA → |
| cocerpeptides.com | 99.509% | +31.3% | Janoshik | 2025-10-21 | View COA → |
| Tydes | 99.828% | +38.7% | Janoshik | 2025-09-02 | View COA → |
| Edge Peptides | 99.935% | +23.7% | Janoshik | 2025-08-29 | View COA → |
| Edge Peptides | 99.82% | +25.8% | Janoshik | 2025-08-14 | View COA → |
| Uther Pharmaceutical | 99.82% | +25.8% | Janoshik | 2025-08-14 | View COA → |
| Cartalax | 99.132% | -6.4% | Janoshik | 2025-07-04 | View COA → |
| Uther Pharmaceutical | 99.644% | +0.0% | Janoshik | 2025-05-29 | View COA → |
| Xcel Peptides | 99.589% | +8.4% | Janoshik | 2025-05-07 | View COA → |
| Xcel Peptides | 99.902% | +6.8% | Janoshik | 2025-03-31 | View COA → |
| Uther Pharmaceutical | 29.46% | +0.0% | Janoshik | 2025-02-26 | View COA → |
| PEPTIDES WORLD | 99.128% | -97.6% | Janoshik | 2023-10-30 | View COA → |