Sildenafil (Viagra)
18
Vendors
57
Samples
5.8
Avg Score
| # | Vendor | Rating | Count | Avg | Min | Max | Most Recent |
|---|---|---|---|---|---|---|---|
| 1 | Tianjin Finder Chemical TFC | A | 5 | 10.0 | 9.9 | 10.0 | 16 Apr 2026 |
| 2 | Sangon Bio | A | 3 | 10.0 | 10.0 | 10.0 | 14 Jun 2026 |
| 3 | Homopeptide | A | 7 | 9.9 | 9.9 | 10.0 | 25 May 2026 |
| 4 | Shanghai ERP Biotechnology | A | 3 | 9.9 | 9.9 | 10.0 | 24 Jun 2026 |
| 5 | Qingdao Sigma Chemical QSC | A | 2 | 8.9 | 8.3 | 9.6 | 21 May 2026 |
| 6 | Shanghai Sigma Audley SSA | A | 7 | 8.8 | 7.1 | 9.7 | 24 May 2026 |
| 7 | Glbiochem (Shanghai) | A | 6 | 8.6 | 7.2 | 9.7 | 24 May 2026 |
| 8 | Nantong Guangyuan Chemical GYC | A | 2 | 7.8 | 6.7 | 8.9 | 24 May 2026 |
| 9 | Wuhan Wansheng Bio (WWB) | A | 6 | 7.6 | 6.8 | 8.9 | 24 May 2026 |
| 10 | Shanghai OuDaXin New Material Technology Center | E | 4 | 6.4 | 5.2 | 7.6 | 20 May 2026 |
| 11 | Royal Peptides | B | 2 | 8.5 | 7.2 | 9.8 | 24 May 2026 |
| 12 | Shenzhen Jiechuang Trading | X | 1 | 7.3 | 7.3 | 7.3 | 14 Jan 2025 |
| 13 | ZhuoYan lab | C | 3 | 6.3 | 5.4 | 7.8 | 25 May 2026 |
| 14 | Alimo Peptide | X | 1 | 5.7 | 5.7 | 5.7 | 13 Jun 2025 |
| 15 | HXNet | C | 2 | 5.2 | 4.3 | 6.1 | 24 May 2026 |
| 16 | Peptidology | X | 1 | 5.0 | 5.0 | 5.0 | 17 Dec 2024 |
| 17 | Haikou Mingheng Technology | X | 1 | 3.2 | 3.2 | 3.2 | 28 Mar 2025 |
| 18 | LOOKBiotech | X | 1 | 0.0 | 0.0 | 0.0 | 17 Dec 2024 |