| Supplier | Phone | Fax | Country | Inquiry contact |
|---|---|---|---|---|
| AK Scientific, Inc. | +1 (510) 429-8835 | +1 (510) 429-8836 | USA | REQUEST |
| Brand-Nu Laboratories, Inc. | +1-203-235-7989 | +1-203-235-7163 | USA | REQUEST |
| CellMark AB | +46 31 100300 | +46 31 136421 | Sweden | REQUEST |
| Dayang Chem (Hangzhou) Co.,Ltd. | +86-571-88938639 | +86-571-8893-8652 | P.R.China | REQUEST |
| Merck Schuchardt OHG | +49-8102-802 0 | +49-8102-802 175 | Germany | REQUEST |
| Ring Specialty Chemicals Inc. | +1 416 493 6870 | +1 416 499 9759 | Canada | REQUEST |
| Shandong Minglang Chemical Co., Ltd | +86-13220566916 | +86 531 58990167 | P.R.China | REQUEST |
| Xiamen Equation Chemical Co.,Ltd | +86 592 6515854 | +86 592 6515854 | P.R.China | REQUEST |