Compound Evidence File
#EC-2026-0770
4-Piperidone CAS 41661-47-6
Filed under Raw Materials. The bureau holds 123 laboratory returns for this compound from 39 distinct subjects. Scores below are per-subject aggregates; open a subject row for the underlying evidence.
Cross-Index
Subjects Shipping This Compound
39 SUBJECTS| Subject | Grade | Samples | Mean | Min | Max | First seen | Last seen |
|---|---|---|---|---|---|---|---|
| Tianjin Finder Chemical TFCCASE #VI-2026-0693 | A | 5 | 10.0 | 9.9 | 10.0 | 14 Nov 2025 | 16 Apr 2026 |
| BachemCASE #VI-2026-0314 | A | 4 | 10.0 | 9.9 | 10.0 | 23 Jan 2026 | 6 May 2026 |
| Hubei JianxiangCASE #VI-2026-0048 | A | 4 | 10.0 | 9.9 | 10.0 | 20 Mar 2026 | 19 Jun 2026 |
| Flourishglobal PeptideCASE #VI-2026-0630 | A | 4 | 10.0 | 9.9 | 10.0 | 15 Dec 2025 | 20 Jun 2026 |
| Chinese Peptide CompanyCASE #VI-2026-0184 | A | 4 | 10.0 | 10.0 | 10.0 | 9 May 2026 | 26 Jun 2026 |
| Thermo Fisher ScientificCASE #VI-2026-0142 | A | 4 | 10.0 | 9.9 | 10.0 | 9 May 2026 | 8 Jul 2026 |
| AsymchemCASE #VI-2026-0091 | A | 4 | 10.0 | 9.9 | 10.0 | 20 Jan 2026 | 15 May 2026 |
| Sangon BioCASE #VI-2026-0671 | A | 3 | 10.0 | 9.9 | 10.0 | 10 Dec 2025 | 20 Feb 2026 |
| Kerui PeptidesCASE #VI-2026-0626 | A | 3 | 10.0 | 9.9 | 10.0 | 5 Jan 2026 | 10 Jun 2026 |
| Shanghai Wibson BiotechnologyCASE #VI-2026-0379 | A | 3 | 10.0 | 9.9 | 10.0 | 4 Feb 2026 | 24 Jun 2026 |
| Sigma-AldrichCASE #VI-2026-0829 | A | 3 | 10.0 | 10.0 | 10.0 | 20 Apr 2026 | 26 Jul 2026 |
| AmbioPharmCASE #VI-2026-0177 | A | 3 | 10.0 | 9.9 | 10.0 | 26 Jul 2026 | 13 Aug 2026 |
| Shanghai ERP BiotechnologyCASE #VI-2026-0936 | A | 2 | 10.0 | 10.0 | 10.0 | 9 Mar 2026 | 15 Mar 2026 |
| Shanghai Sigma AudleyCASE #VI-2026-0505 | A | 2 | 10.0 | 10.0 | 10.0 | 22 Apr 2026 | 6 May 2026 |
| Hybio PharmaceuticalCASE #VI-2026-0065 | A | 2 | 10.0 | 10.0 | 10.0 | 26 Jul 2026 | 7 Aug 2026 |
| SinoPepCASE #VI-2026-0387 | A | 2 | 10.0 | 10.0 | 10.0 | 11 Apr 2026 | 12 Aug 2026 |
| Shanghai JinBei Chemical TechnologyCASE #VI-2026-0107 | X | 1 | 10.0 | 10.0 | 10.0 | 9 Jun 2025 | 9 Jun 2025 |
| Paradigm PeptideCASE #VI-2026-0759 | X | 1 | 10.0 | 10.0 | 10.0 | 13 Feb 2025 | 13 Feb 2025 |
| HomopeptideCASE #VI-2026-0760 | A | 4 | 9.9 | 9.9 | 10.0 | 23 May 2026 | 23 May 2026 |
| QYAOBIOCASE #VI-2026-0861 | A | 4 | 9.9 | 9.9 | 10.0 | 10 Feb 2026 | 24 May 2026 |
| JEEP PeptidesCASE #VI-2026-0457 | A | 4 | 9.9 | 9.9 | 10.0 | 24 Jan 2026 | 7 Jul 2026 |
| WuXi TIDESCASE #VI-2026-0335 | A | 4 | 9.9 | 9.9 | 10.0 | 14 Jan 2026 | 13 Jun 2026 |
| PolyPeptide GroupCASE #VI-2026-0143 | A | 4 | 9.9 | 9.9 | 10.0 | 4 Apr 2026 | 2 Jul 2026 |
| Mokemei BiotechnologyCASE #VI-2026-0540 | A | 3 | 9.9 | 9.9 | 10.0 | 26 Mar 2026 | 26 Jun 2026 |
| GenScript PeptidesCASE #VI-2026-0860 | A | 2 | 9.9 | 9.9 | 10.0 | 3 Apr 2026 | 9 Aug 2026 |
| Wuhan Wansheng Bio (WWB)CASE #VI-2026-0594 | A | 6 | 9.2 | 6.9 | 10.0 | 24 May 2026 | 24 May 2026 |
| Qingdao Sigma Chemical QSCCASE #VI-2026-0538 | A | 5 | 9.1 | 7.3 | 9.9 | 24 May 2026 | 24 May 2026 |
| Glbiochem (Shanghai)CASE #VI-2026-0704 | A | 3 | 9.0 | 8.1 | 10.0 | 24 May 2026 | 24 May 2026 |
| Nantong Guangyuan Chemical GYCCASE #VI-2026-0284 | A | 8 | 8.5 | 7.1 | 10.0 | 24 May 2026 | 24 May 2026 |
| Shanghai Sigma Audley SSACASE #VI-2026-0486 | A | 4 | 8.4 | 7.4 | 9.3 | 24 May 2026 | 24 May 2026 |
| Peptide CraftersCASE #VI-2026-0994 | X | 2 | 7.6 | 6.9 | 8.3 | 20 Jun 2025 | 24 May 2026 |
| Reta-PeptideCASE #VI-2026-0756 | X | 9 | 7.4 | 6.0 | 8.7 | 20 Jun 2025 | 17 May 2026 |
| M-PeptidesCASE #VI-2026-0442 | X | 1 | 7.4 | 7.4 | 7.4 | 21 May 2025 | 21 May 2025 |
| PeptiAtlasCASE #VI-2026-0739 | X | 1 | 7.2 | 7.2 | 7.2 | 2 Apr 2025 | 2 Apr 2025 |
| Xingtai Pukelai Technology CoCASE #VI-2026-0850 | X | 1 | 7.2 | 7.2 | 7.2 | 7 May 2025 | 7 May 2025 |
| Haikou Mingheng BiotechnologyCASE #VI-2026-0126 | X | 1 | 6.9 | 6.9 | 6.9 | 11 Jun 2025 | 11 Jun 2025 |
| Richards Biotech Simply RichardsCASE #VI-2026-0307 | X | 1 | 6.5 | 6.5 | 6.5 | 24 Apr 2025 | 24 Apr 2025 |
| Coffee and PeppersCASE #VI-2026-0274 | X | 1 | 1.1 | 1.1 | 1.1 | 24 Apr 2025 | 24 Apr 2025 |
| HK Fat CatCASE #VI-2026-0376 | X | 1 | 0.0 | 0.0 | 0.0 | 27 Feb 2025 | 27 Feb 2025 |
Open any subject to view the batch-level evidence for 4-Piperidone CAS 41661-47-6 alone.