Vendor · sample entry
Halden & Co.
Assay Standing63WatchStale or unconfirmed paperwork.
Sample vendor with stale paperwork on several listings. Inclusion is not an endorsement.
- Ships from
- EU
- On record since
- 2022
- Compounds listed
- 6
- Latest report
- 2026-08-14
- Stated testing & dispute policy
- Reports older than six months on several lots.
- Hallmark Check mix · 5 reports
- Lab-confirmed 0On file 0Unconfirmed 4Failed 1
Listings · sample prices
Compounds they list
| Compound | Class | Sizes | From $/mg | Their latest report |
|---|---|---|---|---|
| TX-17Sample tetrapeptide A | Tetrapeptide | 5 mg10 mg20 mg | $0.97 | TA-S-02639 Unconfirmed |
| LV-9Sample nonapeptide | Nonapeptide | 2 mg5 mg | $1.78 | TA-S-02723 Unconfirmed |
| KR-5Sample pentapeptide | Pentapeptide | 10 mg20 mg | $0.75 | Listed, no report filed |
| MS-12Sample dodecapeptide | Dodecapeptide | 5 mg | $2.91 | TA-S-02758 Unconfirmed |
| GH-3Sample tripeptide | Tripeptide | 50 mg100 mg | $0.33 | TA-S-02793 Unconfirmed |
| PN-21Sample 21-mer | Polypeptide | 5 mg10 mg | $3.98 | TA-S-02835 Failed |
Lot-level paperwork · sample
Lab reports
| Report | Compound | Lot · result | Laboratory | Hallmark Check | Date |
|---|---|---|---|---|---|
| TA-S-02639 | TX-17 | Lot L3AK-27 96.2% HPLC · ID Match | Westmere Testing (sample) | Unconfirmed | 2026-08-14 |
| TA-S-02835 | PN-21 | Lot L43C-28 No purity · ID Mismatch | Westmere Testing (sample) | Failed | 2026-06-30 |
| TA-S-02793 | GH-3 | Lot L3X6-28 97.7% HPLC · ID Match | Calder Analytical (sample) | Unconfirmed | 2026-05-06 |
| TA-S-02723 | LV-9 | Lot L3MW-27 95.8% HPLC · ID Match | Calder Analytical (sample) | Unconfirmed | 2026-04-17 |
| TA-S-02758 | MS-12 | Lot L3S1-26 96.9% HPLC · ID Match | Fennick Labs (sample) | Unconfirmed | 2026-03-21 |
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