| Supplier | Phone | Fax | Country | Inquiry contact |
|---|---|---|---|---|
| Molekula GmbH | +49 (0) 89 360 900 900 | +49 (0) 89 360 900 901 | Germany | REQUEST |
| Santa Cruz Biotechnology, Inc. | +1 214-902-3910 | USA | REQUEST | |
| Win-Win Chemical Co., Limited | +86-577-64498589 | +86-577-56994596 | P.R.China | REQUEST |