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

Vendor grade distribution

42 vendors · 0 flagged D–E
29
A
2
B
1
C
0
D
0
E
10
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 6 10.0 9.9 10.0
21 May 2026
3 GenScript Peptides A 4 10.0 9.9 10.0
16 Aug 2026
4 PolyPeptide Group A 4 10.0 9.9 10.0
24 Jul 2026
5 Bachem A 3 10.0 9.9 10.0
7 Jul 2026
6 Mokemei Biotechnology A 3 10.0 10.0 10.0
14 Jun 2026
7 Shanghai Sigma Audley A 3 10.0 10.0 10.0
3 Jun 2026
8 Thermo Fisher Scientific A 3 10.0 9.9 10.0
14 Aug 2026
9 Asymchem A 3 10.0 9.9 10.0
25 Jul 2026
10 JEEP Peptides A 2 10.0 10.0 10.0
26 Jun 2026
11 Kerui Peptides A 4 9.9 9.9 10.0
1 Jul 2026
12 Flourishglobal Peptide A 4 9.9 9.9 10.0
10 Jun 2026
13 Shanghai ERP Biotechnology A 3 9.9 9.9 10.0
4 May 2026
14 Sangon Bio A 3 9.9 9.9 9.9
23 May 2026
15 QYAOBIO A 3 9.9 9.9 10.0
3 Jul 2026
16 WuXi TIDES A 3 9.9 9.9 10.0
5 Jul 2026
17 Sigma-Aldrich A 3 9.9 9.9 10.0
10 Aug 2026
18 SinoPep A 3 9.9 9.9 10.0
11 May 2026
19 Hubei Jianxiang A 2 9.9 9.9 9.9
23 Jun 2026
20 Shanghai Wibson Biotechnology A 2 9.9 9.9 10.0
10 Jul 2026
21 Chinese Peptide Company A 2 9.9 9.9 10.0
6 Apr 2026
22 Hybio Pharmaceutical A 2 9.9 9.9 10.0
21 Jul 2026
23 AmbioPharm A 2 9.9 9.9 9.9
4 May 2026
24 Wuhan Wansheng Bio (WWB) A 7 8.9 8.0 9.8
21 May 2026
25 Nantong Guangyuan Chemical GYC A 2 8.3 8.2 8.4
24 May 2026
26 Qingdao Sigma Chemical QSC A 8 8.0 7.0 9.2
21 May 2026
27 Glbiochem (Shanghai) A 8 7.9 6.1 9.6
25 May 2026
28 Shanghai Sigma Audley SSA A 4 7.1 6.0 8.5
24 May 2026
29 EHZ Peptides C 3 6.5 4.7 9.5
20 May 2026
30 Shandong Aishi Biotechnology X 1 9.0 9.0 9.0
7 May 2025
31 Shanghai JinBei Chemical Technology X 1 8.3 8.3 8.3
13 Feb 2025
32 Dragon Pharma X 1 7.6 7.6 7.6
25 Apr 2025
33 Science X 1 7.1 7.1 7.1
3 Jun 2025
34 Royal Peptides B 3 6.8 5.0 10.0
17 May 2026
35 Elite Research USA B 2 5.2 5.0 5.5
20 May 2026
36 Amino Asylum X 1 5.0 5.0 5.0
16 Mar 2025
37 Suaway Lab Research A 2 4.8 4.2 5.4
24 May 2026
38 HkRoids X 1 4.2 4.2 4.2
20 Jun 2025
39 PeptiLab Research X 1 4.2 4.2 4.2
24 Apr 2025
40 BeiBangAn X 1 4.1 4.1 4.1
28 Mar 2025
41 PurePeptides X 1 2.8 2.8 2.8
11 Jun 2025
42 Coffee and Peppers X 1 0.0 0.0 0.0
11 Jun 2025