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Vendor grade distribution

62 vendors · 7 flagged D–E
36
A
10
B
9
C
2
D
5
E
# Vendor Rating Count Avg Min Max Range 0–10 Most Recent
1 Homopeptide A 5 10.0 9.9 10.0
21 May 2026
2 Tianjin Finder Chemical TFC A 5 10.0 9.9 10.0
16 Apr 2026
3 WuXi TIDES A 5 10.0 9.9 10.0
9 Jul 2026
4 Hubei Jianxiang A 4 10.0 9.9 10.0
12 Jul 2026
5 Mokemei Biotechnology A 4 10.0 9.9 10.0
10 Jul 2026
6 Flourishglobal Peptide A 4 10.0 10.0 10.0
23 Jun 2026
7 Shanghai Sigma Audley A 4 10.0 9.9 10.0
20 Jul 2026
8 QYAOBIO A 3 10.0 9.9 10.0
11 Jul 2026
9 Sigma-Aldrich A 3 10.0 9.9 10.0
18 Jul 2026
10 SinoPep A 3 10.0 10.0 10.0
26 Jul 2026
11 Bulk Peptide Wholesale A 2 10.0 9.9 10.0
18 May 2026
12 Shanghai ERP Biotechnology A 2 10.0 10.0 10.0
18 Jun 2026
13 Sangon Bio A 2 10.0 10.0 10.0
2 Jul 2026
14 Bachem A 4 9.9 9.9 10.0
8 Jun 2026
15 PolyPeptide Group A 4 9.9 9.9 10.0
10 Aug 2026
16 Thermo Fisher Scientific A 4 9.9 9.9 10.0
9 Aug 2026
17 Kerui Peptides A 3 9.9 9.9 10.0
1 Jul 2026
18 GenScript Peptides A 3 9.9 9.9 10.0
2 Aug 2026
19 JEEP Peptides A 2 9.9 9.9 10.0
22 Jun 2026
20 Shanghai Wibson Biotechnology A 2 9.9 9.9 9.9
25 Mar 2026
21 Chinese Peptide Company A 2 9.9 9.9 10.0
8 Jun 2026
22 Hybio Pharmaceutical A 2 9.9 9.9 10.0
5 Jul 2026
23 Asymchem A 2 9.9 9.9 10.0
24 May 2026
24 AmbioPharm A 2 9.9 9.9 10.0
28 Jul 2026
25 Injectify A 3 9.5 9.0 10.0
14 Jun 2025
26 Uther A 2 9.2 9.1 9.2
9 Oct 2025
27 Nantong Guangyuan Chemical GYC A 8 8.8 7.8 10.0
24 May 2026
28 Glbiochem (Shanghai) A 4 8.8 8.2 10.0
24 May 2026
29 Bulk Peptide Supply A 3 8.8 6.5 10.0
3 Oct 2025
30 Shanghai Sigma Audley SSA A 8 8.7 7.3 10.0
24 May 2026
31 Wuhan Wansheng Bio (WWB) A 3 8.7 8.2 9.5
24 May 2026
32 Atomik Labz A 4 8.4 7.4 9.0
21 May 2025
33 Eternal Peptides A 4 8.3 6.6 10.0
21 May 2025
34 Qingdao Sigma Chemical QSC A 6 8.1 7.3 9.6
24 May 2026
35 Pure Rawz A 4 8.1 7.4 9.2
21 May 2025
36 Nuscience Peptides A 6 7.5 6.9 8.5
21 May 2025
37 Planet Peptide B 4 7.5 5.8 8.9
19 Feb 2025
38 HK Peptides B 9 7.3 5.7 10.0
23 May 2026
39 Elite Research USA B 5 7.3 5.7 8.0
4 Aug 2025
40 Xingruida XDR B 2 7.3 5.7 8.8
31 Jul 2025
41 Amino Amigos B 5 7.2 5.9 8.3
20 Mar 2025
42 Verified Peptides B 4 7.1 6.0 8.4
19 Feb 2025
43 PeptiLab Research B 3 7.1 5.5 9.3
8 May 2025
44 Suaway Lab Research B 4 6.5 5.1 7.4
16 May 2025
45 Deuschem B 4 6.4 5.9 7.1
4 Aug 2025
46 Skye Peptides B 4 6.3 5.1 7.5
20 Mar 2025
47 Qing Li Peptide C 6 7.6 4.5 10.0
19 May 2026
48 Peptide Sciences C 10 6.4 4.2 8.3
19 Feb 2025
49 Precision Peptide Co C 4 6.0 5.3 6.7
16 May 2025
50 Science C 2 6.0 5.7 6.3
20 May 2025
51 Oasis Peptides C 4 5.8 5.3 7.1
19 Feb 2025
52 Tydes C 4 5.4 4.2 6.6
20 Mar 2025
53 Loti Labs C 3 5.3 4.9 5.9
16 Mar 2025
54 Amino Asylum C 2 5.3 5.2 5.4
19 Feb 2025
55 Peptide Crafters C 4 5.1 4.6 5.5
20 Mar 2025
56 Simple Peptide D 3 5.5 4.0 7.9
30 Apr 2025
57 Pharma Grade Peptides D 2 4.8 4.8 4.8
21 May 2025
58 Zhejiang Yichenkang Biotechnology E 4 5.3 1.7 8.0
4 Aug 2025
59 Platinum Cryo E 6 4.1 2.0 7.0
8 May 2025
60 Peptides For Sale E 5 3.6 3.5 3.7
20 Mar 2025
61 Peptide Gurus E 3 2.2 2.0 2.7
16 Mar 2025
62 Accelerate Labs E 2 2.0 2.0 2.0
16 May 2025