---
id: "chemspider_id"
kind: "datatype"
status: "draft"
is_pii: false
categories: ["chemistry"]
langs: ["common"]
quality: 80
url: "http://registry.apicrafter.io/datatype/chemspider_id"
---

# ChemSpider ID (`chemspider_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.

Number of a chemical structure record in ChemSpider, the chemical database of the Royal Society of Chemistry.

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

## Detection

Regular expression (Python `re`):

```
^[1-9]\d*$
```

## Examples

- `3953` — (RS)-methadone
- `10189562` — vitamin C
- `1086` — sulfuric acid

## Mappings

- bioregistry: `chemspider`
- wikidata: `P661`

## Sources

- wikipedia: <https://en.wikipedia.org/wiki/ChemSpider>
- doc: <https://www.chemspider.com/>
- wikidata: <https://www.wikidata.org/wiki/Property:P661>

## Quality

Score 80/100. Missing: negative example, translation, detector coverage.

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