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Vendor grade distribution

45 vendors · 0 flagged D–E
31
A
1
B
2
C
0
D
0
E
11
X
# Vendor Rating Count Avg Min Max Range 0–10 Most Recent
1 Kerui Peptides A 4 10.0 9.9 10.0
6 Jun 2026
2 Flourishglobal Peptide A 4 10.0 9.9 10.0
8 May 2026
3 GenScript Peptides A 4 10.0 9.9 10.0
9 Jul 2026
4 Sigma-Aldrich A 4 10.0 9.9 10.0
9 Aug 2026
5 Thermo Fisher Scientific A 4 10.0 9.9 10.0
7 Aug 2026
6 Asymchem A 4 10.0 9.9 10.0
3 Aug 2026
7 Mokemei Biotechnology A 3 10.0 10.0 10.0
26 May 2026
8 Shanghai Sigma Audley A 3 10.0 10.0 10.0
22 Jun 2026
9 WuXi TIDES A 3 10.0 9.9 10.0
11 Jun 2026
10 Shanghai Wibson Biotechnology A 2 10.0 10.0 10.0
18 May 2026
11 SinoPep A 2 10.0 10.0 10.0
3 Jun 2026
12 AmbioPharm A 2 10.0 10.0 10.0
20 Jul 2026
13 Homopeptide A 6 9.9 9.9 10.0
24 May 2026
14 Tianjin Finder Chemical TFC A 4 9.9 9.9 10.0
16 Apr 2026
15 Shanghai ERP Biotechnology A 4 9.9 9.9 10.0
12 Jun 2026
16 JEEP Peptides A 4 9.9 9.9 10.0
12 Jul 2026
17 Bachem A 4 9.9 9.9 10.0
8 Jul 2026
18 Hybio Pharmaceutical A 4 9.9 9.9 10.0
18 Jul 2026
19 QYAOBIO A 3 9.9 9.9 10.0
22 Jun 2026
20 Chinese Peptide Company A 3 9.9 9.9 10.0
5 Jul 2026
21 Sangon Bio A 2 9.9 9.9 9.9
5 Jul 2026
22 Hubei Jianxiang A 2 9.9 9.9 9.9
3 May 2026
23 PolyPeptide Group A 2 9.9 9.9 9.9
8 Aug 2026
24 Shanghai Sigma Audley SSA A 6 9.2 8.7 9.9
23 May 2026
25 Qingdao Sigma Chemical QSC A 8 8.9 7.8 10.0
24 May 2026
26 Nantong Guangyuan Chemical GYC A 8 8.8 7.5 9.9
25 May 2026
27 Glbiochem (Shanghai) A 6 8.7 7.8 9.6
24 May 2026
28 Wuhan Wansheng Bio (WWB) A 7 8.3 7.2 9.5
21 May 2026
29 Lipeptides X 1 9.6 9.6 9.6
28 Mar 2025
30 Astro Peptides A 2 9.3 8.7 10.0
26 Jan 2026
31 PeptiAtlas X 1 8.4 8.4 8.4
25 Apr 2025
32 Suaway Lab Research X 1 8.3 8.3 8.3
8 Jul 2025
33 LiliPeptide C 15 7.6 4.3 10.0
21 May 2026
34 PurePeptides X 1 7.6 7.6 7.6
2 Jul 2025
35 Welon Peptide Solutions X 1 7.5 7.5 7.5
3 Jun 2025
36 Evolve BioPep X 1 7.5 7.5 7.5
6 May 2025
37 Uther A 3 7.2 5.3 9.4
17 May 2026
38 Precision Peptide Co A 2 6.9 5.4 8.4
24 May 2026
39 Hangzhou Youngpeptide Biotechnology HYB X 1 6.4 6.4 6.4
7 May 2025
40 Xian Yihang Technology C 3 5.1 3.6 5.9
21 May 2026
41 Biolongevity Labs X 1 5.1 5.1 5.1
27 Feb 2025
42 Haikou Mingheng Biotechnology X 1 3.0 3.0 3.0
28 Mar 2025
43 Swiss Chems X 1 2.6 2.6 2.6
24 Apr 2025
44 Peptide Gurus B 2 2.5 2.1 3.0
23 May 2026
45 Coffee and Peppers X 1 0.5 0.5 0.5
24 Apr 2025