| Supplier | Phone | Fax | Country | Inquiry contact |
|---|---|---|---|---|
| Leap Chem Co., Ltd | +852-30606658 | P.R.China | REQUEST | |
| Santa Cruz Biotechnology, Inc. | +1 214-902-3910 | USA | REQUEST | |
| Sigma-Aldrich International GmbH | +41 81 755 28 28 | +41 81 755 28 15 | Switzerland | REQUEST |
| Vigon International, Inc. | +1 570-476-6300 | +1 570-476-1110 | USA | REQUEST |
| VMP Chemiekontor GmbH | +49 2241 265660 | +49 2241 26566-99 | Germany | REQUEST |