| Supplier | Phone | Fax | Country | Inquiry contact |
|---|---|---|---|---|
| AK Scientific, Inc. | +1 (510) 429-8835 | +1 (510) 429-8836 | USA | REQUEST |
| Bachem AG | +41 58 595 2021 | +41 58 595 2040 | Switzerland | REQUEST |
| Changzhou Union Chemicals Co.,Ltd. | +86 519 8680 2352 | +86 519 8639 6223 | P.R.China | REQUEST |
| Iris Biotech GmbH | +49-(0)9231-97121-0 | +49-(0)9231-97121-99 | Germany | REQUEST |
| Leap Chem Co., Ltd | +852-30606658 | P.R.China | REQUEST | |
| Nantong Xindao Biotech Ltd | +86 19033786557 | P.R.China | REQUEST | |
| Shandong Ench Chemical Co.,Ltd | +86-13869131854 | +86 531-8637666 | P.R.China | REQUEST |
| VUOS - Vyzkumny ustav organickych syntez a.s. | +420 466 823 300 | +420 466 822 976 | Czech Republic | REQUEST |