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

Vendor grade distribution

45 vendors · 0 flagged D–E
30
A
1
B
1
C
0
D
0
E
13
X
# Vendor Rating Count Avg Min Max Range 0–10 Most Recent
1 Tianjin Finder Chemical TFC A 4 10.0 9.9 10.0
16 Apr 2026
2 Kerui Peptides A 4 10.0 9.9 10.0
19 May 2026
3 SinoPep A 4 10.0 9.9 10.0
6 Aug 2026
4 Shanghai ERP Biotechnology A 3 10.0 10.0 10.0
25 Jun 2026
5 JEEP Peptides A 3 10.0 9.9 10.0
8 Jun 2026
6 Shanghai Sigma Audley A 3 10.0 9.9 10.0
16 Jul 2026
7 WuXi TIDES A 3 10.0 10.0 10.0
14 Jul 2026
8 Asymchem A 3 10.0 9.9 10.0
13 Aug 2026
9 Homopeptide A 7 9.9 9.9 10.0
24 May 2026
10 Sangon Bio A 4 9.9 9.9 10.0
10 May 2026
11 Bachem A 4 9.9 9.9 10.0
25 Jun 2026
12 Thermo Fisher Scientific A 4 9.9 9.9 10.0
3 Jun 2026
13 AmbioPharm A 4 9.9 9.9 10.0
20 Aug 2026
14 Hubei Jianxiang A 3 9.9 9.9 9.9
5 Jul 2026
15 Chinese Peptide Company A 3 9.9 9.9 10.0
10 Jul 2026
16 Hybio Pharmaceutical A 3 9.9 9.9 10.0
6 Aug 2026
17 QYAOBIO A 2 9.9 9.9 9.9
4 Jun 2026
18 Mokemei Biotechnology A 2 9.9 9.9 9.9
20 Jan 2026
19 Flourishglobal Peptide A 2 9.9 9.9 10.0
13 Apr 2026
20 Shanghai Wibson Biotechnology A 2 9.9 9.9 10.0
14 May 2026
21 GenScript Peptides A 2 9.9 9.9 10.0
4 Aug 2026
22 Sigma-Aldrich A 2 9.9 9.9 9.9
10 Jul 2026
23 PolyPeptide Group A 2 9.9 9.9 9.9
28 Jun 2026
24 Wuhan Wansheng Bio (WWB) A 5 8.6 7.8 9.6
24 May 2026
25 Qingdao Sigma Chemical QSC A 4 8.6 8.1 9.0
23 May 2026
26 Nantong Guangyuan Chemical GYC A 5 8.2 7.0 8.8
24 May 2026
27 Glbiochem (Shanghai) A 6 8.1 7.5 8.6
21 May 2026
28 Shanghai Sigma Audley SSA A 5 8.0 6.8 9.5
24 May 2026
29 Lipeptides X 1 9.0 9.0 9.0
8 Jul 2025
30 Peptide Technologies X 1 8.6 8.6 8.6
11 Jun 2025
31 Laicuinuo LCN X 1 8.2 8.2 8.2
24 Apr 2025
32 Xingruida XDR B 5 7.5 2.9 9.3
17 May 2026
33 Pharma Grade Peptides X 1 7.5 7.5 7.5
17 Dec 2024
34 Qingdao Saber Technology Pharma QST X 1 7.5 7.5 7.5
6 May 2025
35 Royal Peptides X 1 7.5 7.5 7.5
28 Mar 2025
36 Kits4less X 1 7.4 7.4 7.4
2 Jul 2025
37 Precision Peptide Co A 2 7.0 6.8 7.3
17 May 2026
38 Uther A 6 6.2 4.5 8.1
26 Jan 2026
39 LSPL X 1 6.0 6.0 6.0
8 Jul 2025
40 Richards Biotech Simply Richards X 1 5.7 5.7 5.7
2 Apr 2025
41 Peptides 4 Research C 2 5.0 3.9 6.2
21 May 2026
42 Haikou Mingheng Biotechnology X 1 3.8 3.8 3.8
21 May 2025
43 Coastal Peptides X 1 2.7 2.7 2.7
9 Jun 2025
44 Peptides For Sale X 1 2.3 2.3 2.3
2 Apr 2025
45 Guangzhou Yuao Trading X 1 0.0 0.0 0.0
13 Jun 2025