| Supplier | Phone | Fax | Country | Inquiry contact |
|---|---|---|---|---|
| GECHEM GmbH & Co KG ( Dr. Spiess Chemische Fabrik GmbH ) | +49 6359 801 244 | +49 6359 801 209 | Germany | REQUEST |
| Santa Cruz Biotechnology, Inc. | +1 214-902-3910 | USA | REQUEST | |
| Wuhan PharmChem Co., LTD. | +86 27 85835203 | +86 27 85835203 | P.R.China | REQUEST |