Chemistry
Category ID chemistry · 26 types
| ID | Name | Categories | Countries | Description |
|---|---|---|---|---|
| casrn | CAS Registry Number draft | chemistry | global | Identifier that the Chemical Abstracts Service (CAS) gives to a chemical substance: two to seven digits, a hyphen, two digits, a hyphen... |
| chebi_id | ChEBI ID draft | chemistry, science | global | Number of an entry in ChEBI (Chemical Entities of Biological Interest), the EMBL-EBI dictionary of small molecules. It is often written... |
| chembl_id | ChEMBL ID draft | chemistry, medical | global | Identifier of a compound, target, assay or document in ChEMBL, the EMBL-EBI database of bioactive molecules: CHEMBL and a number. |
| chemspider_id | ChemSpider ID draft | chemistry | global | Number of a chemical structure record in ChemSpider, the chemical database of the Royal Society of Chemistry. |
| drugbankid | DrugBank ID draft | medical, chemistry | global | Accession number of a drug in DrugBank, a database of drugs and drug targets started at the University of Alberta. A drug accession is... |
| dtxsid | DSSTox substance ID (DTXSID) draft | chemistry, environment | global | Identifier of a substance in DSSTox, the curated chemistry database of the US Environmental Protection Agency (EPA) behind the CompTox... |
| e_number | E number (food additive) draft | chemistry, industry | EU | Code of a food additive approved in the European Union: the letter E and three or four digits, sometimes with a letter or a roman... |
| ec_enzyme_number | Enzyme Commission (EC) number draft | science, chemistry | global | Classification number of an enzyme by the reaction it catalyses, assigned by the IUBMB: four numbers separated by dots, such as... |
| echa_infocard_id | ECHA substance InfoCard ID draft | chemistry | EU | Identifier of a substance in the information on chemicals of the European Chemicals Agency, in the form 100.xxx.xxx. |
| eu_ec_number | European Community (EC) number draft | chemistry | EU | Seven-digit number of a chemical substance in the European Community inventory, which joins EINECS, ELINCS and the NLP list. It is... |
| hmdb_id | Human Metabolome Database ID draft | chemistry, medical | global | Accession of a metabolite in the Human Metabolome Database: HMDB and a number, five digits in old accessions and seven in current ones. |
| icscnumber | International Chemical Safety Card (ICSC) number draft | chemistry | global | Four-digit, zero-padded number of an International Chemical Safety Card. The cards summarize the hazards of a chemical and the... |
| inchl | International Chemical Identifier (InChl) | chemistry | global | International Chemical Identifier (InChI): a textual identifier for chemical substances defined by IUPAC. It starts with 'InChI='. |
| inchlkey | International Chemical Identifier Key (InChIKey) | chemistry | global | InChIKey: a fixed-length hashed form of the InChI chemical identifier, written as three hyphen-separated blocks of 14, 10 and 1... |
| kegg_compound_id | KEGG COMPOUND identifier draft | chemistry, science | global | Identifier of a small molecule or other chemical substance in KEGG COMPOUND, one of the KEGG LIGAND databases: C and a number, as in... |
| lipidmaps_id | LIPID MAPS ID (LM ID) draft | chemistry, science | global | Identifier of a lipid in the LIPID MAPS Structure Database. It is LM, a two-letter code of one of the eight LIPID MAPS lipid categories,... |
| molformula | Molecular Formula | chemistry | global | Molecular formulae indicate the simple numbers of each type of atom in a molecule of a molecular substance. |
| nscnumber | NSC number draft | chemistry, medical | global | Number that the Developmental Therapeutics Program of the US National Cancer Institute (NCI) gives to a substance submitted for testing.... |
| pdbid | Protein Data Bank (PDB) ID draft | science, chemistry | global | Four-character identifier of a three-dimensional structure entry in the Protein Data Bank, the archive of protein and nucleic acid... |
| pubchem_cid | PubChem Compound ID (CID) draft | chemistry | global | Number of a unique chemical structure in the PubChem Compound database of the US National Center for Biotechnology Information.... |
| pubchemid | PubChem Substance ID (SID) | chemistry | global | PubChem is a database of chemical molecules and their activities against biological assays. The system is maintained by the National... |
| rtecsnumber | RTECS number draft | chemistry | global | Identifier of a substance in the Registry of Toxic Effects of Chemical Substances (RTECS), a toxicity database started by the US... |
| smiles | SMILES chemical notation draft | chemistry, science | global | Simplified Molecular-Input Line-Entry System (SMILES): a line notation that writes the structure of a molecule as a short ASCII string.... |
| un_number | UN number (dangerous goods) draft | transport, chemistry | global | Four-digit number that the UN Committee of Experts on the Transport of Dangerous Goods assigns to a hazardous substance or article, such... |
| unclass | UN Class | chemistry | global | UN hazard classification code |
| unpkggroup | UN Packaging group | transport, chemistry | global | Packaging code according to UN transportation rules |