Compound Evidence File
#EC-2026-0134
Masteron P (Drostanolone P)
Filed under Injectable Oils. The bureau holds 128 laboratory returns for this compound from 54 distinct subjects. Scores below are per-subject aggregates; open a subject row for the underlying evidence.
Cross-Index
Subjects Shipping This Compound
54 SUBJECTS| Subject | Grade | Samples | Mean | Min | Max | First seen | Last seen |
|---|---|---|---|---|---|---|---|
| HomopeptideCASE #VI-2026-0760 | A | 7 | 10.0 | 9.9 | 10.0 | 23 May 2026 | 23 May 2026 |
| Tianjin Finder Chemical TFCCASE #VI-2026-0693 | A | 6 | 10.0 | 9.9 | 10.0 | 14 Nov 2025 | 16 Apr 2026 |
| WuXi TIDESCASE #VI-2026-0335 | A | 4 | 10.0 | 9.9 | 10.0 | 14 Feb 2026 | 10 Jul 2026 |
| Sangon BioCASE #VI-2026-0671 | A | 3 | 10.0 | 10.0 | 10.0 | 24 Jan 2026 | 14 Jun 2026 |
| BachemCASE #VI-2026-0314 | A | 3 | 10.0 | 10.0 | 10.0 | 6 Apr 2026 | 19 May 2026 |
| Mokemei BiotechnologyCASE #VI-2026-0540 | A | 3 | 10.0 | 9.9 | 10.0 | 11 Apr 2026 | 1 Jul 2026 |
| Shanghai Wibson BiotechnologyCASE #VI-2026-0379 | A | 2 | 10.0 | 10.0 | 10.0 | 23 Mar 2026 | 3 Jun 2026 |
| Chinese Peptide CompanyCASE #VI-2026-0184 | A | 2 | 10.0 | 10.0 | 10.0 | 17 Feb 2026 | 2 Jun 2026 |
| PeptiLab ResearchCASE #VI-2026-0267 | X | 1 | 10.0 | 10.0 | 10.0 | 14 Jan 2025 | 14 Jan 2025 |
| Shanghai ERP BiotechnologyCASE #VI-2026-0936 | A | 4 | 9.9 | 9.9 | 10.0 | 19 Mar 2026 | 4 Jul 2026 |
| QYAOBIOCASE #VI-2026-0861 | A | 4 | 9.9 | 9.9 | 10.0 | 12 Nov 2025 | 6 Jul 2026 |
| Kerui PeptidesCASE #VI-2026-0626 | A | 4 | 9.9 | 9.9 | 10.0 | 14 Mar 2026 | 25 Jun 2026 |
| Flourishglobal PeptideCASE #VI-2026-0630 | A | 3 | 9.9 | 9.9 | 10.0 | 27 Nov 2025 | 1 May 2026 |
| Shanghai Sigma AudleyCASE #VI-2026-0505 | A | 3 | 9.9 | 9.9 | 10.0 | 7 May 2026 | 7 Jul 2026 |
| JEEP PeptidesCASE #VI-2026-0457 | A | 2 | 9.9 | 9.9 | 10.0 | 13 Jan 2026 | 7 Jul 2026 |
| Hubei JianxiangCASE #VI-2026-0048 | A | 2 | 9.9 | 9.9 | 9.9 | 12 Jan 2026 | 11 Apr 2026 |
| HazelCASE #VI-2026-0392 | X | 1 | 9.8 | 9.8 | 9.8 | 11 Jun 2025 | 11 Jun 2025 |
| Glbiochem (Shanghai)CASE #VI-2026-0704 | A | 5 | 9.4 | 8.0 | 10.0 | 24 May 2026 | 24 May 2026 |
| Bulk Peptide WholesaleCASE #VI-2026-0319 | X | 1 | 9.4 | 9.4 | 9.4 | 21 May 2025 | 21 May 2025 |
| Dankang BioHealthCASE #VI-2026-0775 | X | 1 | 8.7 | 8.7 | 8.7 | 28 Mar 2025 | 28 Mar 2025 |
| Shanghai Sigma Audley SSACASE #VI-2026-0486 | A | 3 | 8.6 | 8.5 | 8.8 | 24 May 2026 | 24 May 2026 |
| OmegAminoCASE #VI-2026-0014 | X | 1 | 8.6 | 8.6 | 8.6 | 27 Feb 2025 | 27 Feb 2025 |
| Wuhan Wansheng Bio (WWB)CASE #VI-2026-0594 | A | 5 | 8.5 | 8.0 | 9.2 | 24 May 2026 | 24 May 2026 |
| Nantong Guangyuan Chemical GYCCASE #VI-2026-0284 | A | 7 | 8.4 | 7.9 | 9.5 | 24 May 2026 | 24 May 2026 |
| Qingdao Sigma Chemical QSCCASE #VI-2026-0538 | A | 2 | 8.4 | 7.4 | 9.4 | 21 May 2026 | 21 May 2026 |
| BfflinkCASE #VI-2026-0212 | X | 1 | 8.4 | 8.4 | 8.4 | 11 Jun 2025 | 11 Jun 2025 |
| InjectifyCASE #VI-2026-0387 | X | 2 | 8.2 | 8.0 | 8.4 | 8 Jul 2025 | 21 May 2026 |
| Rayshine Peptide BiochemicalsCASE #VI-2026-0545 | X | 1 | 8.1 | 8.1 | 8.1 | 3 Jun 2025 | 3 Jun 2025 |
| Reta-PeptideCASE #VI-2026-0756 | X | 4 | 8.0 | 7.2 | 8.8 | 2 Jul 2025 | 26 Jan 2026 |
| Kits4lessCASE #VI-2026-0744 | X | 1 | 7.8 | 7.8 | 7.8 | 13 Jun 2025 | 13 Jun 2025 |
| NextGen HealthCASE #VI-2026-0604 | X | 1 | 7.6 | 7.6 | 7.6 | 11 Jun 2025 | 11 Jun 2025 |
| Pura PeptidesCASE #VI-2026-0307 | X | 1 | 7.4 | 7.4 | 7.4 | 3 Jun 2025 | 3 Jun 2025 |
| Shandong Shengyuan Peptide TechnologyCASE #VI-2026-0634 | X | 2 | 7.3 | 6.9 | 7.7 | 13 Jun 2025 | 21 May 2026 |
| Shandong Aishi BiotechnologyCASE #VI-2026-0308 | X | 3 | 7.2 | 5.7 | 9.4 | 13 Jun 2025 | 23 May 2026 |
| Shenzhen Loga Tech LG LOGACASE #VI-2026-0920 | X | 2 | 7.2 | 6.7 | 7.6 | 28 Mar 2025 | 17 May 2026 |
| Top PeptideCASE #VI-2026-0721 | X | 2 | 7.2 | 5.9 | 8.4 | 3 Jun 2025 | 21 May 2026 |
| Amino LairCASE #VI-2026-0413 | X | 1 | 6.8 | 6.8 | 6.8 | 3 Jul 2025 | 3 Jul 2025 |
| Peptide SciencesCASE #VI-2026-0867 | X | 6 | 6.5 | 4.6 | 7.7 | 20 Jun 2025 | 24 May 2026 |
| ZZQ PeptidesCASE #VI-2026-0550 | X | 1 | 6.3 | 6.3 | 6.3 | 13 Jun 2025 | 13 Jun 2025 |
| OupeptideCASE #VI-2026-0435 | X | 4 | 6.1 | 4.1 | 7.4 | 27 Feb 2025 | 19 Jan 2026 |
| Hangzhou Youngpeptide Biotechnology HYBCASE #VI-2026-0347 | X | 1 | 6.0 | 6.0 | 6.0 | 24 Apr 2025 | 24 Apr 2025 |
| Astro PeptidesCASE #VI-2026-0424 | X | 1 | 5.7 | 5.7 | 5.7 | 9 Jun 2025 | 9 Jun 2025 |
| Shaanxi Dideu MedichemCASE #VI-2026-0499 | X | 1 | 5.6 | 5.6 | 5.6 | 24 Apr 2025 | 24 Apr 2025 |
| UWA Elite PeptidesCASE #VI-2026-0130 | X | 1 | 5.4 | 5.4 | 5.4 | 17 Dec 2024 | 17 Dec 2024 |
| Suaway Lab ResearchCASE #VI-2026-0488 | X | 3 | 4.9 | 4.0 | 5.9 | 3 Jun 2025 | 26 Jan 2026 |
| Xingtai Lesda TechnologyCASE #VI-2026-0381 | X | 1 | 4.9 | 4.9 | 4.9 | 3 Jun 2025 | 3 Jun 2025 |
| Elite Research USACASE #VI-2026-0267 | X | 2 | 4.5 | 1.7 | 7.2 | 2 Jul 2025 | 21 May 2026 |
| Prime PeptidesCASE #VI-2026-0696 | X | 1 | 4.3 | 4.3 | 4.3 | 20 Jun 2025 | 20 Jun 2025 |
| Oasis PeptidesCASE #VI-2026-0404 | X | 1 | 3.6 | 3.6 | 3.6 | 2 Jul 2025 | 2 Jul 2025 |
| Liberty PeptidesCASE #VI-2026-0416 | X | 1 | 3.6 | 3.6 | 3.6 | 7 May 2025 | 7 May 2025 |
| Modern AminosCASE #VI-2026-0635 | X | 1 | 2.7 | 2.7 | 2.7 | 13 Jun 2025 | 13 Jun 2025 |
| PRIVATECASE #VI-2026-0635 | X | 1 | 0.7 | 0.7 | 0.7 | 27 Feb 2025 | 27 Feb 2025 |
| Zhuoyue BiotechnologyCASE #VI-2026-0632 | X | 1 | 0.2 | 0.2 | 0.2 | 6 May 2025 | 6 May 2025 |
| Wuhan Newtop BiotechCASE #VI-2026-0676 | X | 1 | 0.0 | 0.0 | 0.0 | 13 Jun 2025 | 13 Jun 2025 |
Open any subject to view the batch-level evidence for Masteron P (Drostanolone P) alone.