---
id: "kegg_compound_id"
kind: "datatype"
status: "draft"
is_pii: false
categories: ["chemistry", "science"]
langs: ["common"]
quality: 85
url: "http://registry.apicrafter.io/datatype/kegg_compound_id"
---

# KEGG COMPOUND identifier (`kegg_compound_id`)

> **Draft.** Draft records have not been reviewed yet and may be incomplete or wrong; do not treat them as authoritative for legal or compliance decisions.

Identifier of a small molecule or other chemical substance in KEGG COMPOUND, one of the KEGG LIGAND databases: C and a number, as in C00031 for D-glucose. Other KEGG entries use other letters, for example D for KEGG DRUG, G for GLYCAN and R for REACTION.

- Personal data (PII): no
- Categories: Chemistry (chemistry), Scientific (science)
- Countries: global
- Languages: Common to most languages (common)
- Classification: identifier

## Detection

Regular expression (Python `re`):

```
^C\d+$
```

## Examples

- `C00031` — D-Glucose
- `C12345` — 1,3-Dimethyl-6,8-isoquinolinediol; Bioregistry example
- `D00123` (invalid example) — KEGG DRUG entry, not a compound

## Mappings

- bioregistry: `kegg.compound`

## Sources

- doc: <https://www.genome.jp/kegg/compound/>
- other: <https://bioregistry.io/registry/kegg.compound>

## Quality

Score 85/100. Missing: translation, detector coverage.

JSON: <http://registry.apicrafter.io/api/v1/datatypes/kegg_compound_id.json> · Edit: <https://github.com/apicrafter/metacrafter-registry/edit/main/data/datatypes/any/chemistry/kegg_compound_id.yaml>