Vendor list for primary screening library
| Provider | No. of compound from each provider |
| ChemDiv | 21,986 |
| Prestwick | 1,110 |
| Cerep | 4,000 |
| ChemBridge | 5,000 |
| Microsource | 2,000 |
| AMRI | 50,000 |
| Biofocus | 7,750 |
| GreenPharma | 240 |
| Sigma LOPAC | 1,280 |
| Prof. Derek Tan (Memorial Sloan-Kettering Cancer Center, New York, NY) | 350 |
| Total | 93,716 |
| Provider | No. of compound from each provider |
| ChemDiv | 21,986 |
| Prestwick | 1,110 |
| Cerep | 4,000 |
| ChemBridge | 5,000 |
| Microsource | 2,000 |
| AMRI | 50,000 |
| Biofocus | 7,750 |
| GreenPharma | 240 |
| Sigma LOPAC | 1,280 |
| Prof. Derek Tan (Memorial Sloan-Kettering Cancer Center, New York, NY) | 350 |
| Total | 93,716 |