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

Vendor grade distribution

35 vendors · 1 flagged D–E
28
A
1
B
0
C
0
D
1
E
5
X
# Vendor Rating Count Avg Min Max Range 0–10 Most Recent
1 Tianjin Finder Chemical TFC A 7 10.0 9.9 10.0
16 Apr 2026
2 Homopeptide A 4 10.0 9.9 10.0
24 May 2026
3 Kerui Peptides A 4 10.0 9.9 10.0
25 Mar 2026
4 Hubei Jianxiang A 4 10.0 9.9 10.0
6 Jul 2026
5 WuXi TIDES A 4 10.0 9.9 10.0
7 May 2026
6 Hybio Pharmaceutical A 4 10.0 9.9 10.0
6 Aug 2026
7 AmbioPharm A 4 10.0 10.0 10.0
10 Aug 2026
8 JEEP Peptides A 3 10.0 9.9 10.0
20 Jun 2026
9 Flourishglobal Peptide A 3 10.0 9.9 10.0
9 Jun 2026
10 Shanghai Sigma Audley A 3 10.0 10.0 10.0
25 Jun 2026
11 Sangon Bio A 2 10.0 10.0 10.0
10 Jun 2026
12 Bachem A 2 10.0 10.0 10.0
1 May 2026
13 GenScript Peptides A 2 10.0 10.0 10.0
23 Jul 2026
14 PolyPeptide Group A 2 10.0 10.0 10.0
20 Jun 2026
15 Shanghai ERP Biotechnology A 4 9.9 9.9 10.0
5 Jul 2026
16 Shanghai Wibson Biotechnology A 4 9.9 9.9 10.0
7 Jul 2026
17 Asymchem A 4 9.9 9.9 10.0
8 Aug 2026
18 Chinese Peptide Company A 3 9.9 9.9 9.9
1 Jun 2026
19 QYAOBIO A 2 9.9 9.9 10.0
24 Jun 2026
20 Mokemei Biotechnology A 2 9.9 9.9 10.0
27 Jun 2026
21 Sigma-Aldrich A 2 9.9 9.9 9.9
26 Jul 2026
22 Thermo Fisher Scientific A 2 9.9 9.9 10.0
9 May 2026
23 SinoPep A 2 9.9 9.9 10.0
4 Aug 2026
24 Qingdao Sigma Chemical QSC A 2 9.6 9.4 9.7
24 May 2026
25 Nantong Guangyuan Chemical GYC A 8 9.1 7.9 10.0
23 May 2026
26 Wuhan Wansheng Bio (WWB) A 2 9.1 8.5 9.7
24 May 2026
27 Shanghai Sigma Audley SSA A 8 8.6 7.8 9.6
24 May 2026
28 Glbiochem (Shanghai) A 8 8.0 7.3 8.7
24 May 2026
29 ZZQ Peptides E 2 5.3 5.1 5.6
24 May 2026
30 Zhang TY X 1 7.6 7.6 7.6
2 Apr 2025
31 Chimera Peptides X 1 7.6 7.6 7.6
20 Jun 2025
32 Peptidology X 1 7.0 7.0 7.0
13 Feb 2025
33 Shanghai Baoju X 1 6.5 6.5 6.5
21 May 2025
34 PeptiLab Research X 1 5.9 5.9 5.9
3 Jun 2025
35 Peptide Gurus B 2 3.4 1.0 5.8
17 May 2026