T4 (Levothyroxine)
49
Vendors
133
Samples
7.0
Avg Score
Vendor grade distribution
49 vendors · 1 flagged D–E
29
A
2
B
0
C
1
D
0
E
17
X
| # | Vendor | Rating | Count | Avg | Min | Max | Range 0–10 | Most Recent |
|---|---|---|---|---|---|---|---|---|
| 1 | Tianjin Finder Chemical TFC | A | 6 | 10.0 | 9.9 | 10.0 | 16 Apr 2026 | |
| 2 | Mokemei Biotechnology | A | 4 | 10.0 | 9.9 | 10.0 | 16 Jun 2026 | |
| 3 | Shanghai Wibson Biotechnology | A | 4 | 10.0 | 10.0 | 10.0 | 4 Jun 2026 | |
| 4 | Hybio Pharmaceutical | A | 4 | 10.0 | 10.0 | 10.0 | 18 Jun 2026 | |
| 5 | PolyPeptide Group | A | 4 | 10.0 | 9.9 | 10.0 | 2 Jun 2026 | |
| 6 | Shanghai ERP Biotechnology | A | 3 | 10.0 | 9.9 | 10.0 | 25 Jun 2026 | |
| 7 | QYAOBIO | A | 3 | 10.0 | 10.0 | 10.0 | 4 Jul 2026 | |
| 8 | JEEP Peptides | A | 3 | 10.0 | 10.0 | 10.0 | 10 Apr 2026 | |
| 9 | Flourishglobal Peptide | A | 3 | 10.0 | 10.0 | 10.0 | 13 Mar 2026 | |
| 10 | Shanghai Sigma Audley | A | 3 | 10.0 | 9.9 | 10.0 | 18 Apr 2026 | |
| 11 | WuXi TIDES | A | 3 | 10.0 | 10.0 | 10.0 | 1 Jul 2026 | |
| 12 | SinoPep | A | 2 | 10.0 | 10.0 | 10.0 | 24 Jun 2026 | |
| 13 | AmbioPharm | A | 2 | 10.0 | 10.0 | 10.0 | 20 Aug 2026 | |
| 14 | Homopeptide | A | 4 | 9.9 | 9.9 | 10.0 | 24 May 2026 | |
| 15 | Sigma-Aldrich | A | 4 | 9.9 | 9.9 | 10.0 | 14 Aug 2026 | |
| 16 | Thermo Fisher Scientific | A | 4 | 9.9 | 9.9 | 10.0 | 18 Aug 2026 | |
| 17 | Asymchem | A | 4 | 9.9 | 9.9 | 10.0 | 10 Jul 2026 | |
| 18 | Bachem | A | 3 | 9.9 | 9.9 | 10.0 | 12 Jul 2026 | |
| 19 | Kerui Peptides | A | 3 | 9.9 | 9.9 | 10.0 | 24 May 2026 | |
| 20 | Hubei Jianxiang | A | 3 | 9.9 | 9.9 | 9.9 | 25 Jun 2026 | |
| 21 | GenScript Peptides | A | 3 | 9.9 | 9.9 | 10.0 | 18 Aug 2026 | |
| 22 | Sangon Bio | A | 2 | 9.9 | 9.9 | 9.9 | 11 May 2026 | |
| 23 | Chinese Peptide Company | A | 2 | 9.9 | 9.9 | 9.9 | 24 Jun 2026 | |
| 24 | Qingdao Sigma Chemical QSC | A | 3 | 9.3 | 8.6 | 10.0 | 21 May 2026 | |
| 25 | Nantong Guangyuan Chemical GYC | A | 7 | 8.8 | 7.3 | 9.6 | 24 May 2026 | |
| 26 | Wuhan Wansheng Bio (WWB) | A | 6 | 8.6 | 7.0 | 9.5 | 24 May 2026 | |
| 27 | Shanghai Sigma Audley SSA | A | 4 | 8.2 | 7.3 | 9.5 | 24 May 2026 | |
| 28 | Glbiochem (Shanghai) | A | 3 | 7.9 | 7.5 | 8.3 | 25 May 2026 | |
| 29 | Bulk Peptide Wholesale | X | 1 | 10.0 | 10.0 | 10.0 | 3 Jun 2025 | |
| 30 | Peptide Technologies | X | 1 | 10.0 | 10.0 | 10.0 | 28 Mar 2025 | |
| 31 | Hunan Ruiwang Technology Center | X | 1 | 9.1 | 9.1 | 9.1 | 6 May 2025 | |
| 32 | Shanghai Leader Peptide Biotechnology | X | 1 | 8.6 | 8.6 | 8.6 | 6 May 2025 | |
| 33 | ZZQ Peptides | X | 1 | 8.6 | 8.6 | 8.6 | 16 Mar 2025 | |
| 34 | Top Peptide | X | 1 | 8.6 | 8.6 | 8.6 | 25 Apr 2025 | |
| 35 | Pure Tested Peptides | X | 1 | 7.8 | 7.8 | 7.8 | 2 Apr 2025 | |
| 36 | Welon Peptide Solutions | X | 1 | 7.6 | 7.6 | 7.6 | 16 Mar 2025 | |
| 37 | SRY Labs | B | 10 | 7.5 | 5.6 | 10.0 | 17 May 2026 | |
| 38 | Huaian Hanyou Peptide | X | 1 | 7.5 | 7.5 | 7.5 | 24 Apr 2025 | |
| 39 | Haikou Mingheng Technology | X | 1 | 7.1 | 7.1 | 7.1 | 14 Jan 2025 | |
| 40 | Mix Peptides | D | 2 | 6.6 | 5.0 | 8.2 | 20 May 2026 | |
| 41 | Kerisite Shenzhen International | X | 1 | 6.4 | 6.4 | 6.4 | 7 May 2025 | |
| 42 | Yimei | B | 3 | 5.9 | 4.9 | 6.5 | 24 May 2026 | |
| 43 | Accelerate Labs | A | 2 | 5.4 | 5.2 | 5.6 | 19 Jan 2026 | |
| 44 | Oasis Peptides | X | 1 | 5.4 | 5.4 | 5.4 | 25 Apr 2025 | |
| 45 | Hangzhou Youngpeptide Biotechnology HYB | X | 1 | 5.4 | 5.4 | 5.4 | 2 Apr 2025 | |
| 46 | Amplified Amino | X | 1 | 5.0 | 5.0 | 5.0 | 8 Jul 2025 | |
| 47 | Chimera Peptides | X | 1 | 4.0 | 4.0 | 4.0 | 24 Apr 2025 | |
| 48 | Coastal Peptides | X | 1 | 3.7 | 3.7 | 3.7 | 25 Apr 2025 | |
| 49 | Amino Amigos | X | 1 | 3.3 | 3.3 | 3.3 | 28 Mar 2025 |