---
id: "pubchemid"
kind: "datatype"
status: "stable"
is_pii: false
categories: ["chemistry"]
langs: ["common"]
quality: 73
url: "http://registry.apicrafter.io/datatype/pubchemid"
---

# PubChem Substance ID (SID) (`pubchemid`)

PubChem is a database of chemical molecules and their activities against biological assays. The system is maintained by the National Center for Biotechnology Information (NCBI), a component of the National Library of Medicine, which is part of the United States National Institutes of Health (NIH).

- 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

- `135307179` — zeolite Y

## Mappings

- bioregistry: `pubchem.substance`
- wikidata: `P2153`

## Metacrafter rules

1 rules: 1 match the field name, 0 match values.

- `pubchemidbyfieldname` (field, `common/chemistry.yaml`)

## Supported by tools

- `metacrafter`

## Sources

- wikipedia: <https://en.wikipedia.org/wiki/PubChem>
- wikidata: <https://www.wikidata.org/wiki/Property:P2153>

## Quality

Score 73/100. Missing: anchored regexp, second example, negative example, translation.

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