Sources with pricing information - usually for small laboratory quantities (not bulk)
| Source | Available online? | Pricing Information? | Notes |
| SciFinder | Yes | Yes, for small quantities | Search by chemical to find suppliers. See detailed instructions |
| Reaxys | Yes | Yes, for small quantities | Search by chemical to find suppliers. |
| Sigma-Aldrich | Yes | Yes, for small quantitites |
Find property information for chemicals. Pricing available for small quantities. |
Sources for identifying chemical manufacturers and distributors (no pricing information)
| Source | Available online? | Pricing Information? | Notes |
| OPD chemical buyers directory | Yes | No | Search by chemical to find suppliers. Important for large-scale buying. |
| Yes | No | Chemical industry trade journal. Chemical business news. | |
| Chem Sources - USA | Yes, free access. | No |
Chemical buyer's guide published by Chemical Sources International, Inc. in January of each year. |