| Supplier | Phone | Fax | Country | Inquiry contact |
|---|---|---|---|---|
| AK Scientific, Inc. | +1 (510) 429-8835 | +1 (510) 429-8836 | USA | REQUEST |
| Amresco Inc. | +1-440-349-1313 | +1-440-349-1182 | USA | REQUEST |
| BuGuCh & Partners | Germany | REQUEST | ||
| Hangzhou Verychem Science & Technology Co., Ltd. | +86-571-8816 2785 | +86-571-81906939 | P.R.China | REQUEST |
| Leap Chem Co., Ltd | +852-30606658 | P.R.China | REQUEST | |
| Nantong Xindao Biotech Ltd | +86 19033786557 | P.R.China | REQUEST | |
| Sandoz GmbH | +43-5338-200 2882 | +43 5338 200 460 | Austria | REQUEST |
| Santa Cruz Biotechnology, Inc. | +1 214-902-3910 | USA | REQUEST | |
| Shandong SanYoung Industry Co., Ltd | +86 155-64526813 | +86 531-56897532 | P.R.China | REQUEST |
| Xi'an Taicheng Chem Co., Ltd | +86-29-85439295 | +86-29-85439295 | P.R.China | REQUEST |