Home Vendors Products Insights Red Flags About Methodology FAQ Free Test Verify Batch Vendor Support

Vendor grade distribution

41 vendors · 1 flagged D–E
29
A
1
B
0
C
1
D
0
E
10
X
# Vendor Rating Count Avg Min Max Range 0–10 Most Recent
1 Homopeptide A 5 10.0 10.0 10.0
24 May 2026
2 Tianjin Finder Chemical TFC A 5 10.0 9.9 10.0
16 Apr 2026
3 Mokemei Biotechnology A 4 10.0 9.9 10.0
27 May 2026
4 Shanghai Wibson Biotechnology A 4 10.0 9.9 10.0
8 Jul 2026
5 Thermo Fisher Scientific A 4 10.0 9.9 10.0
10 Aug 2026
6 Chinese Peptide Company A 3 10.0 9.9 10.0
13 Jul 2026
7 Sigma-Aldrich A 3 10.0 9.9 10.0
28 Jul 2026
8 Sangon Bio A 2 10.0 10.0 10.0
23 Mar 2026
9 QYAOBIO A 2 10.0 10.0 10.0
8 Mar 2026
10 JEEP Peptides A 2 10.0 10.0 10.0
4 Jul 2026
11 Flourishglobal Peptide A 2 10.0 10.0 10.0
19 Jun 2026
12 Asymchem A 2 10.0 10.0 10.0
15 Aug 2026
13 Bachem A 4 9.9 9.9 10.0
6 Jul 2026
14 Kerui Peptides A 4 9.9 9.9 10.0
10 Jul 2026
15 GenScript Peptides A 4 9.9 9.9 10.0
5 Aug 2026
16 SinoPep A 4 9.9 9.9 10.0
7 Aug 2026
17 Shanghai ERP Biotechnology A 3 9.9 9.9 10.0
3 Jun 2026
18 Hubei Jianxiang A 3 9.9 9.9 10.0
22 May 2026
19 WuXi TIDES A 3 9.9 9.9 10.0
24 Jul 2026
20 PolyPeptide Group A 3 9.9 9.9 10.0
6 Jul 2026
21 Shanghai Sigma Audley A 2 9.9 9.9 10.0
4 Apr 2026
22 Hybio Pharmaceutical A 2 9.9 9.9 9.9
16 Jun 2026
23 AmbioPharm A 2 9.9 9.9 10.0
14 Jul 2026
24 Wuhan Wansheng Bio (WWB) A 2 8.9 8.2 9.6
24 May 2026
25 Nantong Guangyuan Chemical GYC A 7 8.6 6.2 10.0
21 May 2026
26 Glbiochem (Shanghai) A 5 8.3 7.0 9.2
25 May 2026
27 Qingdao Sigma Chemical QSC A 6 8.1 7.6 8.5
21 May 2026
28 Shanghai Sigma Audley SSA A 2 7.5 7.1 7.9
23 May 2026
29 PeptiAtlas X 1 8.4 8.4 8.4
28 Mar 2025
30 The Naughty Needle X 1 8.3 8.3 8.3
8 Jul 2025
31 Reta-Peptide B 3 8.1 7.0 9.2
20 May 2026
32 Peptide Partners A 3 7.9 6.3 10.0
19 Jan 2026
33 Shanxi Qianyecao Biotech QYC D 5 7.0 5.5 8.4
24 May 2026
34 Rayshine Peptide Biochemicals X 1 6.8 6.8 6.8
3 Jul 2025
35 Kerisite Shenzhen International X 1 5.8 5.8 5.8
2 Apr 2025
36 Qingdao Hongshengda Trading X 1 5.7 5.7 5.7
13 Jun 2025
37 Shanghai Leader Peptide Biotechnology X 1 5.1 5.1 5.1
28 Mar 2025
38 Bio Pepz X 1 4.9 4.9 4.9
9 Jun 2025
39 Hybiopeptides X 1 4.7 4.7 4.7
8 Jul 2025
40 Changan District Sheng Peptide Trading X 1 4.5 4.5 4.5
2 Jul 2025
41 Alimo Peptide X 1 3.6 3.6 3.6
28 Mar 2025