| Supplier | Phone | Fax | Country | Inquiry contact |
|---|---|---|---|---|
| AK Scientific, Inc. | +1 (510) 429-8835 | +1 (510) 429-8836 | USA | REQUEST |
| BOC Sciences | +1-631-485-4226 | +1-631-614-7828 | USA | REQUEST |
| Leap Chem Co., Ltd | +852-30606658 | P.R.China | REQUEST | |
| Molekula GmbH | +49 (0) 89 360 900 900 | +49 (0) 89 360 900 901 | Germany | REQUEST |