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Vendor grade distribution

38 vendors · 1 flagged D–E
32
A
2
B
2
C
0
D
1
E
1
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 Mokemei Biotechnology A 4 10.0 10.0 10.0
3 Jul 2026
3 Bachem A 3 10.0 9.9 10.0
11 Jun 2026
4 Flourishglobal Peptide A 3 10.0 10.0 10.0
14 Jul 2026
5 Shanghai Wibson Biotechnology A 3 10.0 10.0 10.0
19 Apr 2026
6 Hybio Pharmaceutical A 3 10.0 9.9 10.0
17 Jul 2026
7 GenScript Peptides A 3 10.0 10.0 10.0
18 Aug 2026
8 PolyPeptide Group A 3 10.0 10.0 10.0
3 Aug 2026
9 Thermo Fisher Scientific A 3 10.0 9.9 10.0
4 Aug 2026
10 Asymchem A 3 10.0 10.0 10.0
25 Jun 2026
11 JEEP Peptides A 2 10.0 10.0 10.0
5 Jun 2026
12 Chinese Peptide Company A 2 10.0 10.0 10.0
28 Apr 2026
13 Shanghai Sigma Audley A 2 10.0 10.0 10.0
12 Jul 2026
14 SinoPep A 2 10.0 10.0 10.0
12 Jul 2026
15 Homopeptide A 6 9.9 9.9 10.0
25 May 2026
16 Sangon Bio A 4 9.9 9.9 10.0
14 Jun 2026
17 QYAOBIO A 4 9.9 9.9 9.9
24 Jun 2026
18 WuXi TIDES A 3 9.9 9.9 10.0
7 Apr 2026
19 AmbioPharm A 3 9.9 9.9 10.0
25 May 2026
20 Shanghai ERP Biotechnology A 2 9.9 9.9 10.0
21 Jun 2026
21 Kerui Peptides A 2 9.9 9.9 9.9
13 Jun 2026
22 Hubei Jianxiang A 2 9.9 9.9 10.0
2 Jul 2026
23 Sigma-Aldrich A 2 9.9 9.9 10.0
8 Aug 2026
24 Qingdao Sigma Chemical QSC A 8 8.7 8.1 10.0
23 May 2026
25 Uther A 2 8.5 8.1 8.9
9 Oct 2025
26 Shanghai Sigma Audley SSA A 8 8.4 7.3 9.5
25 May 2026
27 Glbiochem (Shanghai) A 4 8.3 7.6 9.0
21 May 2026
28 Planet Peptide A 3 8.2 7.8 8.7
6 May 2025
29 Wuhan Wansheng Bio (WWB) A 8 8.1 7.1 9.4
24 May 2026
30 Nantong Guangyuan Chemical GYC A 5 7.9 6.2 10.0
24 May 2026
31 Peptide-S A 4 7.9 7.1 9.2
25 Nov 2025
32 Skye Peptides A 5 7.7 7.1 8.2
16 Aug 2025
33 Nuscience Peptides B 2 6.9 6.9 7.0
6 May 2025
34 Polaris Peptides B 3 6.1 5.7 6.5
6 May 2025
35 Elite Research USA C 3 5.3 4.1 6.0
25 Nov 2025
36 Tydes C 3 5.0 4.7 5.4
30 Apr 2025
37 Pharma Grade Peptides E 2 4.0 3.9 4.0
6 May 2025
38 LN Peptides X 1 6.8 6.8 6.8
9 Oct 2025