| Supplier | Phone | Fax | Country | Inquiry contact |
|---|---|---|---|---|
| Carbone Scientific Co., Ltd. | +44 (0)203 769 4441 ext 1 | +44 (0)203 769 4441 ext 2 | U.K. | 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 |