. Author manuscript; available in PMC: 2006 Feb 3.

Published in final edited form as: J Chem Inf Model. 2005;45(1):177–182. doi: 10.1021/ci049714

Table 1.

A. Compounds in ZINC by Vendor and B. Purchasable Compounds in ZINC by Compound Class

A.
Supplier	in catalog	loaded into ZINC	exclusive^a
ChemBridge	324 536	50 116	30 319
ChemDiv	359 103	108 327	77 129
Ryan	303 939	78 791	67 943
Asinex	241 310	159 263	126 257
Sigma-Aldrich	149 390	101 942	59 042
Maybridge	45 253	26 099	13 526
Specs	174 245	61 778	59 310
Comgenex	166 132	20 221	20 214
Otava	94 912	75 692	54 129
B.
molecule class	in database	mean number of rotatable bonds	mean molecular weight
Total	727 842	5.8	387
Lipinski-compliant	494 915	4.8	339
lead-like	202 134	3.5	273
fragment-like	34 224	1.2	196

The number of molecules that are only sold by this vendor.