Table 4 Effect of standardization on the ambiguity of non-systematic identifiers (in %) within databases
From: Ambiguity of non-systematic chemical identifiers within and between small-molecule databases
Database | FICTS | uICTS | FuCTS | FIuTS | FICuS | FICTu |
|---|---|---|---|---|---|---|
HMDB | 15.2 | 15.2 | 15.2 | 15.2 | 15.2 | 15.2 |
TTD | 4.6 | 1.8 | 2.1 | 2.0 | 2.1 | 2.1 |
ChEMBL | 3.9 | 2.0 | 3.8 | 3.9 | 3.9 | 3.4 |
NPC | 3.1 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 |
ChemSpider | 2.5 | 2.3 | 2.5 | 2.5 | 2.2 | 1.9 |
ChEBI | 2.0 | 1.8 | 1.9 | 1.4 | 1.8 | 1.6 |
PubChem | 1.4 | 1.2 | 1.3 | 1.3 | 0.6 | 0.6 |
ChemSpider-V | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.3 |
DrugBank | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |