Compound Evidence File
#EC-2026-0574
Letrozole
Filed under Oral Tablets. The bureau holds 188 laboratory returns for this compound from 65 distinct subjects. Scores below are per-subject aggregates; open a subject row for the underlying evidence.
Cross-Index
Subjects Shipping This Compound
65 SUBJECTS| Subject | Grade | Samples | Mean | Min | Max | First seen | Last seen |
|---|---|---|---|---|---|---|---|
| Tianjin Finder Chemical TFCCASE #VI-2026-0693 | A | 7 | 10.0 | 9.9 | 10.0 | 14 Nov 2025 | 16 Apr 2026 |
| Kerui PeptidesCASE #VI-2026-0626 | A | 4 | 10.0 | 9.9 | 10.0 | 22 Apr 2026 | 10 Jul 2026 |
| Chinese Peptide CompanyCASE #VI-2026-0184 | A | 4 | 10.0 | 10.0 | 10.0 | 26 Mar 2026 | 10 Jul 2026 |
| GenScript PeptidesCASE #VI-2026-0860 | A | 4 | 10.0 | 9.9 | 10.0 | 23 Jan 2026 | 19 Jul 2026 |
| AsymchemCASE #VI-2026-0091 | A | 4 | 10.0 | 10.0 | 10.0 | 2 Jan 2026 | 24 May 2026 |
| Shanghai ERP BiotechnologyCASE #VI-2026-0936 | A | 3 | 10.0 | 9.9 | 10.0 | 24 Nov 2025 | 7 May 2026 |
| Sangon BioCASE #VI-2026-0671 | A | 3 | 10.0 | 9.9 | 10.0 | 2 Dec 2025 | 10 May 2026 |
| BachemCASE #VI-2026-0314 | A | 3 | 10.0 | 9.9 | 10.0 | 17 May 2026 | 12 Jun 2026 |
| Hubei JianxiangCASE #VI-2026-0048 | A | 3 | 10.0 | 9.9 | 10.0 | 1 Apr 2026 | 1 Jul 2026 |
| Shanghai Wibson BiotechnologyCASE #VI-2026-0379 | A | 3 | 10.0 | 9.9 | 10.0 | 16 Feb 2026 | 24 Jun 2026 |
| PolyPeptide GroupCASE #VI-2026-0143 | A | 3 | 10.0 | 10.0 | 10.0 | 16 Apr 2026 | 2 Aug 2026 |
| QYAOBIOCASE #VI-2026-0861 | A | 2 | 10.0 | 10.0 | 10.0 | 19 May 2026 | 3 Jun 2026 |
| Flourishglobal PeptideCASE #VI-2026-0630 | A | 2 | 10.0 | 10.0 | 10.0 | 27 Jun 2026 | 4 Jul 2026 |
| The Naughty NeedleCASE #VI-2026-0432 | X | 1 | 10.0 | 10.0 | 10.0 | 17 Dec 2024 | 17 Dec 2024 |
| HomopeptideCASE #VI-2026-0760 | A | 7 | 9.9 | 9.9 | 10.0 | 24 May 2026 | 24 May 2026 |
| Mokemei BiotechnologyCASE #VI-2026-0540 | A | 4 | 9.9 | 9.9 | 10.0 | 1 Mar 2026 | 16 May 2026 |
| Shanghai Sigma AudleyCASE #VI-2026-0505 | A | 4 | 9.9 | 9.9 | 10.0 | 16 Feb 2026 | 22 Jul 2026 |
| WuXi TIDESCASE #VI-2026-0335 | A | 4 | 9.9 | 9.9 | 10.0 | 10 Nov 2025 | 12 Jul 2026 |
| Sigma-AldrichCASE #VI-2026-0829 | A | 4 | 9.9 | 9.9 | 10.0 | 6 Mar 2026 | 10 Aug 2026 |
| SinoPepCASE #VI-2026-0387 | A | 4 | 9.9 | 9.9 | 10.0 | 28 Dec 2025 | 11 Aug 2026 |
| AmbioPharmCASE #VI-2026-0177 | A | 4 | 9.9 | 9.9 | 10.0 | 9 Apr 2026 | 24 May 2026 |
| JEEP PeptidesCASE #VI-2026-0457 | A | 3 | 9.9 | 9.9 | 10.0 | 17 Apr 2026 | 9 Jun 2026 |
| Hybio PharmaceuticalCASE #VI-2026-0065 | A | 2 | 9.9 | 9.9 | 10.0 | 11 Jul 2026 | 19 Jul 2026 |
| Thermo Fisher ScientificCASE #VI-2026-0142 | A | 2 | 9.9 | 9.9 | 10.0 | 4 May 2026 | 20 May 2026 |
| Glbiochem (Shanghai)CASE #VI-2026-0704 | A | 4 | 9.2 | 8.4 | 10.0 | 24 May 2026 | 24 May 2026 |
| Shenzhen Loga Tech LG LOGACASE #VI-2026-0920 | X | 2 | 9.2 | 9.1 | 9.4 | 7 May 2025 | 20 May 2026 |
| Anlv BiotechnologyCASE #VI-2026-0110 | X | 1 | 9.2 | 9.2 | 9.2 | 9 Jun 2025 | 9 Jun 2025 |
| Qingdao Sigma Chemical QSCCASE #VI-2026-0538 | A | 8 | 9.1 | 8.4 | 10.0 | 21 May 2026 | 21 May 2026 |
| AKS ChemCASE #VI-2026-0313 | X | 1 | 8.9 | 8.9 | 8.9 | 6 May 2025 | 6 May 2025 |
| BeiBangAnCASE #VI-2026-0899 | X | 3 | 8.8 | 8.5 | 9.2 | 3 Jun 2025 | 25 May 2026 |
| Wuhan Wansheng Bio (WWB)CASE #VI-2026-0594 | A | 5 | 8.7 | 7.0 | 9.8 | 24 May 2026 | 24 May 2026 |
| Shanghai Sigma Audley SSACASE #VI-2026-0486 | A | 6 | 8.3 | 7.5 | 10.0 | 23 May 2026 | 23 May 2026 |
| ScienceCASE #VI-2026-0636 | X | 1 | 8.2 | 8.2 | 8.2 | 3 Jul 2025 | 3 Jul 2025 |
| Pharma Grade PeptidesCASE #VI-2026-0208 | X | 1 | 8.1 | 8.1 | 8.1 | 14 Jan 2025 | 14 Jan 2025 |
| Nantong Guangyuan Chemical GYCCASE #VI-2026-0284 | A | 7 | 8.0 | 6.9 | 8.4 | 23 May 2026 | 23 May 2026 |
| Dankang BioHealthCASE #VI-2026-0775 | X | 1 | 8.0 | 8.0 | 8.0 | 6 May 2025 | 6 May 2025 |
| Verified PeptidesCASE #VI-2026-0407 | X | 2 | 7.8 | 7.6 | 7.9 | 9 Jun 2025 | 21 May 2026 |
| Xingruida XDRCASE #VI-2026-0898 | X | 6 | 7.5 | 4.9 | 8.7 | 7 May 2025 | 25 May 2026 |
| Hunan Ruiwang Technology CenterCASE #VI-2026-0027 | X | 1 | 7.5 | 7.5 | 7.5 | 2 Jul 2025 | 2 Jul 2025 |
| Top PeptideCASE #VI-2026-0721 | X | 2 | 7.3 | 7.0 | 7.7 | 20 Jun 2025 | 25 May 2026 |
| InjectifyCASE #VI-2026-0387 | X | 2 | 7.3 | 5.0 | 9.7 | 24 Apr 2025 | 19 Jan 2026 |
| Shanxi Qianyecao Biotech QYCCASE #VI-2026-0189 | X | 6 | 7.0 | 5.8 | 8.9 | 9 Jun 2025 | 26 Jan 2026 |
| Haikou Mingheng BiotechnologyCASE #VI-2026-0126 | X | 1 | 6.9 | 6.9 | 6.9 | 13 Feb 2025 | 13 Feb 2025 |
| Bulk Peptide SupplyCASE #VI-2026-0446 | X | 1 | 6.8 | 6.8 | 6.8 | 17 Dec 2024 | 17 Dec 2024 |
| Changan District Sheng Peptide TradingCASE #VI-2026-0341 | X | 1 | 6.7 | 6.7 | 6.7 | 24 Apr 2025 | 24 Apr 2025 |
| LiliPeptideCASE #VI-2026-0695 | X | 15 | 6.5 | 4.0 | 10.0 | 7 May 2025 | 19 Jan 2026 |
| Accelerate LabsCASE #VI-2026-0686 | X | 1 | 6.3 | 6.3 | 6.3 | 9 Jun 2025 | 9 Jun 2025 |
| Modern AminosCASE #VI-2026-0635 | X | 1 | 6.3 | 6.3 | 6.3 | 24 Apr 2025 | 24 Apr 2025 |
| Peptide CraftersCASE #VI-2026-0994 | X | 3 | 6.2 | 3.9 | 7.6 | 28 Mar 2025 | 20 May 2026 |
| Biolongevity LabsCASE #VI-2026-0442 | X | 2 | 5.9 | 5.6 | 6.3 | 8 Jul 2025 | 23 May 2026 |
| Zhejiang Yichenkang BiotechnologyCASE #VI-2026-0269 | X | 3 | 5.8 | 4.1 | 6.8 | 16 Mar 2025 | 20 May 2026 |
| Elite Research USACASE #VI-2026-0267 | X | 1 | 5.5 | 5.5 | 5.5 | 13 Feb 2025 | 13 Feb 2025 |
| LSPLCASE #VI-2026-0523 | X | 4 | 5.1 | 3.6 | 6.7 | 8 Jul 2025 | 24 May 2026 |
| Limitless Life NootropicsCASE #VI-2026-0980 | X | 1 | 5.0 | 5.0 | 5.0 | 2 Jul 2025 | 2 Jul 2025 |
| Richards Biotech Simply RichardsCASE #VI-2026-0307 | X | 1 | 4.8 | 4.8 | 4.8 | 3 Jun 2025 | 3 Jun 2025 |
| Peptronix Bio PTBCASE #VI-2026-0979 | X | 1 | 4.7 | 4.7 | 4.7 | 28 Mar 2025 | 28 Mar 2025 |
| Oasis PeptidesCASE #VI-2026-0404 | X | 1 | 4.7 | 4.7 | 4.7 | 14 Jan 2025 | 14 Jan 2025 |
| Wolverine PeptidesCASE #VI-2026-0262 | X | 1 | 3.8 | 3.8 | 3.8 | 9 Jun 2025 | 9 Jun 2025 |
| Swiss ChemsCASE #VI-2026-0030 | X | 1 | 3.7 | 3.7 | 3.7 | 13 Jun 2025 | 13 Jun 2025 |
| PeptiLab ResearchCASE #VI-2026-0267 | X | 1 | 3.2 | 3.2 | 3.2 | 21 May 2025 | 21 May 2025 |
| DeuschemCASE #VI-2026-0004 | X | 1 | 3.2 | 3.2 | 3.2 | 3 Jul 2025 | 3 Jul 2025 |
| NuLife PeptidesCASE #VI-2026-0980 | X | 1 | 1.9 | 1.9 | 1.9 | 2 Apr 2025 | 2 Apr 2025 |
| Explicit SarmsCASE #VI-2026-0017 | X | 1 | 0.4 | 0.4 | 0.4 | 25 Apr 2025 | 25 Apr 2025 |
| Hebei Chengtong TechnologyCASE #VI-2026-0520 | X | 1 | 0.0 | 0.0 | 0.0 | 13 Jun 2025 | 13 Jun 2025 |
| Marvel PeptideCASE #VI-2026-0507 | X | 1 | 0.0 | 0.0 | 0.0 | 16 Mar 2025 | 16 Mar 2025 |
Open any subject to view the batch-level evidence for Letrozole alone.