| Supplier | Phone | Fax | Country | Inquiry contact |
|---|---|---|---|---|
| Carbopharm GmbH | +43-(0)3136 830 83 | +43-(0)3136 830 83 83 | Austria | REQUEST |
| CM Fine Chemicals | Switzerland | REQUEST | ||
| Santa Cruz Biotechnology, Inc. | +1 214-902-3910 | USA | REQUEST | |
| Xingrui Industry Co., Limited | +86-531-88980365 | +86-531-88980365 | P.R.China | REQUEST |