- Available Chemical Directory (ACD)
- Access Conditions: Pay per view (via Chemweb) or database license
- Total Products: about 1 million
- Unique Chemicals: about 400,000
- Total Suppliers: over 680
- Access Types: WWW, SDfile, RDfile, Relational Chemical Gateway for use with MDL ISIS, Chemical Products Information File (built in Oracle)
- Searchable by:
- Substructure: Y
- Exact structure: Y
- Registry number: Y
- Catalogue number: Y
- Full name: Y
- Partial name: Y
- Molecular formula (range): Y
- Molecular weight (range): Y
- Prefered vendors: Y
-
Buyer's Guide Chem
- Access Conditions: Free
- Total Products: 139,000
- Unique Chemicals:
- Total Suppliers: 4,570
- Access Types: WWW
- Searchable by:
- Substructure: N
- Exact structure: N
- Registry number: Y
- Catalogue number: N
- Full name: Y
- Partial name: Y
- Molecular formula (range): N
- Molecular weight (range): N
- Prefered vendors: N
-
ChemACX
- Access Conditions: Free individual access, annual subscription basis for academic institutions and government organizations
- Total Products: 733,100
- Unique Chemicals: 352,300
- Total Suppliers: 405
- Access Types: WWW, DVD
- Searchable by:
- Substructure: Y (requires ChemDraw Plugin Net 7.0)
- Exact structure: Y (requires ChemDraw Plugin Net 7.0)
- Registry number: Y
- Catalogue number: Y (ACX number)
- Full name: Y
- Partial name: Y
- Molecular formula (range): Y
- Molecular weight (range): Y
- Prefered vendors: Y
- CHEMCATS
- Access Conditions: Database license
- Total Products: More than 11 million catalog records
- Unique Chemicals:
- Total Suppliers: 800
- Access Types: STN (International, Easy, Web), SciFinder (Scholar).
- Searchable by:
- Substructure: Y
- Exact structure: Y
- Registry number: Y
- Catalogue number: Y
- Full name: Y
- Partial name: Y
- Molecular formula (range): Y
- Molecular weight (range): Y
- Prefered vendors: Y
-
Chemcyclopedia 2002
- Access Conditions: Free
- Total Products:
- Unique Chemicals:
- Total Suppliers:
- Access Types:
- Searchable by:
- Substructure: N
- Exact structure: N
- Registry number: Y
- Catalogue number: N
- Full name: N
- Partial name: N
- Molecular formula (range): N
- Molecular weight (range): N
- Prefered vendors: N
-
ChemExper Home Page
- Access Conditions: free
- Total Products: over 200,000
- Unique Chemicals:
- Total Suppliers: over 20
- Access Types: WWW
- Searchable by:
- Substructure: Y
- Exact structure: Y
- Registry number: Y
- Catalogue number: Y
- Full name: Y (including synonyms)
- Partial name: N
- Molecular formula (range): Y
- Molecular weight (range): Y
- Prefered vendors: N
- Physical characteristics: Y (boiling point, melting point, refractive index, density, optical rotation)
-
Chemfindit.com
- Access Conditions: free
- Total Products: over 684,000
- Unique Chemicals:
- Total Suppliers: over 41,000
- Access Types: WWW
- Searchable by:
- Substructure: N
- Exact structure: N
- Registry number: Y
- Catalogue number: N
- Full name: Y (including synonyms)
- Partial name: Y
- Molecular formula (range): Y
- Molecular weight (range): N
- EINEC Number: Y
- Prefered vendors: N
- Physical characteristics: N
-
Chemical Information Services Pathfinder
- Access Conditions: subscription (one search, annual)
- Total Products: More than 23,000
- Unique Chemicals:
- Total Suppliers:
- Access Types: WWW, CD, book
- Searchable by:
- Substructure:
- Exact structure:
- Registry number:
- Catalogue number:Y
- Full name:Y
- Partial name:Y
- Molecular formula (range):
- Molecular weight (range):
- Prefered vendors:
- Physical characteristics:
- Chemicals Available for Purchase (CAP)
- Access Conditions: Database license
- Total Products: 568,712 unique reagents and 3,136,492 screening compounds
- Unique Chemicals: 568,712
- Total Suppliers: 94
- Access Types: Accord Database Explorer (ADE), AEI format or RD file
- Searchable by:
- Substructure: Y
- Exact structure: Y
- Registry number: Y
- Catalogue number: Y
- Full name: Y
- Partial name: Y
- Molecular formula (range): Y
- Molecular weight (range):
- Physical characteristics: Y
- Degree of similarity: Y
- Prefered vendors:
-
Chem Sources Chemical Directory
- Access Conditions: Free searching, pay per detailed view, subscriptions, purchase CD-rom
- Total Products: about 275,000
- Unique Chemicals:
- Total Suppliers: over 8,000
- Access Types: WWW, on-line (STN or datastar), printed and CD-rom version
- Searchable by:
- Substructure: N
- Exact structure: N
- Registry number: Y
- Catalogue number: N
- Full name: Y
- Partial name: Y
- Trade name: Y
- Molecular formula (range): Y
- Molecular weight (range): N
- Prefered vendors: N
- Application: Y
-
R&D Chemicals
- Access Conditions: Free
- Total Products:
- Unique Chemicals:
- Total Suppliers:
- Access Types: WWW
- Searchable by:
- Substructure: Y
- Exact structure: Y
- Registry number: Y
- Catalogue number: Y
- Full name: Y
- Partial name: Y
- Trade name: Y
- Molecular formula (range): N
- Molecular weight (range): N
- Prefered vendors: N
- Metaxchem
- Access Conditions: Free
- Total Products:
- Unique Chemicals:
- Total Suppliers: 8
- Access Types: WWW
- Searchable by:
- Substructure: Y
- Exact structure: Y
- Registry number: Y
- Catalogue number: Y
- Full name: Y
- Partial name: Y
- Trade name: Y
- Molecular formula (range): Y
- Molecular weight (range): N
- WWW Chemicals
- Access Conditions: Free
- Total Products:
- Unique Chemicals:
- Total Suppliers:
- Access Types: WWW
- Searchable by:
- Substructure: Y (limited)
- Exact structure: Y (limited)
- Registry number: Y
- Catalogue number: Y
- Full name: Y
- Partial name: Y
- Molecular formula (range): N
- Molecular weight (range): N
- Prefered vendors: N
|