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

Vendor grade distribution

52 vendors · 0 flagged D–E
34
A
3
B
2
C
0
D
0
E
13
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 Bachem A 4 10.0 9.9 10.0
22 Mar 2026
3 Kerui Peptides A 4 10.0 9.9 10.0
9 Jul 2026
4 AmbioPharm A 4 10.0 10.0 10.0
8 Aug 2026
5 Sangon Bio A 3 10.0 9.9 10.0
26 Jun 2026
6 Flourishglobal Peptide A 3 10.0 9.9 10.0
24 Jun 2026
7 Sigma-Aldrich A 3 10.0 9.9 10.0
14 Jun 2026
8 PolyPeptide Group A 3 10.0 10.0 10.0
6 Apr 2026
9 GenScript Peptides A 2 10.0 10.0 10.0
6 Jun 2026
10 Thermo Fisher Scientific A 2 10.0 10.0 10.0
19 Jun 2026
11 WuXi TIDES A 5 9.9 9.9 10.0
12 Jul 2026
12 Homopeptide A 4 9.9 9.9 10.0
21 May 2026
13 Chinese Peptide Company A 4 9.9 9.9 10.0
16 Jun 2026
14 Shanghai Sigma Audley A 4 9.9 9.9 10.0
15 Jun 2026
15 Asymchem A 4 9.9 9.9 10.0
12 Jul 2026
16 Shanghai ERP Biotechnology A 3 9.9 9.9 10.0
4 Jul 2026
17 Hubei Jianxiang A 3 9.9 9.9 10.0
27 Jan 2026
18 Mokemei Biotechnology A 3 9.9 9.9 10.0
9 Jun 2026
19 Hybio Pharmaceutical A 3 9.9 9.9 10.0
12 Aug 2026
20 SinoPep A 3 9.9 9.9 9.9
21 Jun 2026
21 QYAOBIO A 2 9.9 9.9 10.0
3 Jun 2026
22 JEEP Peptides A 2 9.9 9.9 10.0
10 Jul 2026
23 Shanghai Wibson Biotechnology A 2 9.9 9.9 10.0
21 May 2026
24 Glbiochem (Shanghai) A 7 8.8 8.1 9.6
23 May 2026
25 Wuhan Wansheng Bio (WWB) A 2 8.8 8.7 8.8
24 May 2026
26 Qingdao Sigma Chemical QSC A 5 8.5 7.5 10.0
23 May 2026
27 Nantong Guangyuan Chemical GYC A 6 8.4 7.3 9.5
21 May 2026
28 Shanghai Sigma Audley SSA A 3 7.6 7.4 7.7
25 May 2026
29 Zztai Peptide C 3 5.9 5.4 6.3
17 May 2026
30 Verified Peptides A 2 10.0 10.0 10.0
25 May 2026
31 NextechLabs A 2 9.2 8.3 10.0
25 May 2026
32 Reta-Peptide B 13 8.2 6.6 10.0
20 May 2026
33 TCI X 1 8.2 8.2 8.2
13 Feb 2025
34 OmegAmino X 1 7.6 7.6 7.6
6 May 2025
35 Oupeptide A 10 7.5 5.0 10.0
24 May 2026
36 Shanghai Leader Peptide Biotechnology X 1 7.5 7.5 7.5
13 Jun 2025
37 AKS Chem X 1 7.4 7.4 7.4
9 Jun 2025
38 SRY Labs X 1 7.1 7.1 7.1
13 Feb 2025
39 Zhang TY X 1 7.1 7.1 7.1
16 Mar 2025
40 Kits4less X 1 7.0 7.0 7.0
14 Jan 2025
41 Yimei B 4 6.4 5.5 8.0
21 May 2026
42 Royal Peptides B 3 6.0 3.5 9.4
19 Jan 2026
43 Forever Young Pharmacy A 2 5.7 4.3 7.1
26 Jan 2026
44 PeptiLab Research X 1 5.6 5.6 5.6
7 May 2025
45 Eternal Peptides X 1 5.4 5.4 5.4
17 Dec 2024
46 ZhuoYan lab C 3 5.1 3.2 7.0
21 May 2026
47 Tydes X 1 4.8 4.8 4.8
27 Feb 2025
48 YB Peptide X 1 4.7 4.7 4.7
27 Feb 2025
49 Deuschem A 2 4.5 4.0 4.9
20 May 2026
50 Amino Amigos A 2 2.0 1.6 2.5
24 May 2026
51 Zhuoyue Biotechnology X 1 1.0 1.0 1.0
17 Dec 2024
52 Advanced Technology and Industrial X 1 0.0 0.0 0.0
14 Jan 2025