| Supplier | Phone | Fax | Country | Inquiry contact |
|---|---|---|---|---|
| BOC Sciences | +1-631-485-4226 | +1-631-614-7828 | USA | REQUEST |
| BuGuCh & Partners | Germany | REQUEST | ||
| Carbone Scientific Co., Ltd. | +44 (0)203 769 4441 ext 1 | +44 (0)203 769 4441 ext 2 | U.K. | REQUEST |
| Dayang Chem (Hangzhou) Co.,Ltd. | +86-571-88938639 | +86-571-8893-8652 | P.R.China | REQUEST |
| Evonik ( formerly Wilshire Technologies, Inc. ) | +1-609-683-1017 | +1-732-274-0149 | USA | REQUEST |
| Santa Cruz Biotechnology, Inc. | +1 214-902-3910 | USA | REQUEST | |
| Xinxiang Aurora Biotechnology Co., Ltd. | +86-373-3088722 | +86-373-3088722 | P.R.China | REQUEST |