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

Vendor grade distribution

56 vendors · 1 flagged D–E
32
A
1
B
2
C
1
D
0
E
20
X
# Vendor Rating Count Avg Min Max Range 0–10 Most Recent
1 Homopeptide A 6 10.0 9.9 10.0
21 May 2026
2 Tianjin Finder Chemical TFC A 4 10.0 9.9 10.0
16 Apr 2026
3 GenScript Peptides A 4 10.0 9.9 10.0
1 Aug 2026
4 AmbioPharm A 4 10.0 9.9 10.0
8 Aug 2026
5 Kerui Peptides A 3 10.0 10.0 10.0
12 Jun 2026
6 Chinese Peptide Company A 3 10.0 9.9 10.0
18 Jun 2026
7 WuXi TIDES A 3 10.0 9.9 10.0
27 Jun 2026
8 SinoPep A 3 10.0 9.9 10.0
4 Apr 2026
9 Asymchem A 3 10.0 10.0 10.0
13 Jul 2026
10 Bachem A 2 10.0 10.0 10.0
24 Jun 2026
11 Shanghai Sigma Audley A 2 10.0 10.0 10.0
7 Jul 2026
12 Hybio Pharmaceutical A 2 10.0 10.0 10.0
8 Aug 2026
13 Sigma-Aldrich A 2 10.0 10.0 10.0
5 Aug 2026
14 QYAOBIO A 4 9.9 9.9 10.0
22 Jun 2026
15 Hubei Jianxiang A 4 9.9 9.9 10.0
4 Jul 2026
16 Mokemei Biotechnology A 4 9.9 9.9 10.0
7 Jul 2026
17 Shanghai Wibson Biotechnology A 4 9.9 9.9 10.0
21 May 2026
18 Sangon Bio A 3 9.9 9.9 10.0
2 Jul 2026
19 Thermo Fisher Scientific A 3 9.9 9.9 10.0
13 May 2026
20 Shanghai ERP Biotechnology A 2 9.9 9.9 10.0
20 Jan 2026
21 JEEP Peptides A 2 9.9 9.9 10.0
8 Apr 2026
22 Flourishglobal Peptide A 2 9.9 9.9 10.0
13 Jul 2026
23 PolyPeptide Group A 2 9.9 9.9 10.0
7 Jul 2026
24 Wuhan Wansheng Bio (WWB) A 8 9.1 8.0 10.0
23 May 2026
25 Nantong Guangyuan Chemical GYC A 2 9.1 8.7 9.6
24 May 2026
26 Qingdao Sigma Chemical QSC A 5 8.7 6.9 10.0
24 May 2026
27 Shanghai Sigma Audley SSA A 4 7.9 6.8 8.9
23 May 2026
28 Glbiochem (Shanghai) A 5 7.4 6.0 9.3
23 May 2026
29 Paradigm Peptide X 1 9.5 9.5 9.5
17 Dec 2024
30 PeptiAtlas X 1 9.2 9.2 9.2
28 Mar 2025
31 Precision Peptide Co X 1 8.9 8.9 8.9
13 Feb 2025
32 SRY Labs B 5 8.0 5.0 9.8
24 May 2026
33 Planet Peptide A 4 8.0 6.4 8.8
23 May 2026
34 Champion Peptide X 1 7.7 7.7 7.7
2 Jul 2025
35 Shandong Shengyuan Peptide Technology A 2 7.4 5.6 9.2
23 May 2026
36 Lipeptides X 1 7.4 7.4 7.4
16 Mar 2025
37 Hebei Rimao Technology C 3 7.3 6.7 7.7
17 May 2026
38 NextGen Health X 1 7.2 7.2 7.2
24 Apr 2025
39 Oasis Peptides X 1 7.1 7.1 7.1
13 Jun 2025
40 Welon Peptide Solutions X 1 7.0 7.0 7.0
28 Mar 2025
41 Changan District Sheng Peptide Trading X 1 6.8 6.8 6.8
13 Jun 2025
42 Dankang BioHealth X 1 6.6 6.6 6.6
13 Jun 2025
43 Astro Peptides X 1 6.6 6.6 6.6
14 Jan 2025
44 NextechLabs A 2 6.4 5.1 7.8
21 May 2026
45 Xian Yihang Technology C 4 6.3 5.2 7.8
24 May 2026
46 Kits4less X 1 6.1 6.1 6.1
13 Jun 2025
47 Shandong Aishi Biotechnology D 3 5.8 4.7 7.5
20 May 2026
48 LiliPeptide X 1 5.8 5.8 5.8
28 Mar 2025
49 Shanghai Wibson Biotechnology WBS X 1 5.8 5.8 5.8
3 Jul 2025
50 Peptides 4 Research X 1 5.0 5.0 5.0
9 Jun 2025
51 Amplified Amino X 1 5.0 5.0 5.0
24 Apr 2025
52 Shaanxi Dideu Medichem X 1 4.7 4.7 4.7
28 Mar 2025
53 Bulk Peptide Supply X 1 4.6 4.6 4.6
24 Apr 2025
54 PeptiLab Research X 1 4.5 4.5 4.5
16 Mar 2025
55 Amino Amigos A 3 4.1 3.2 4.7
25 May 2026
56 Advanced Technology and Industrial X 1 0.0 0.0 0.0
8 Jul 2025