---
id: "ismn"
kind: "datatype"
status: "draft"
is_pii: false
categories: ["publishing", "media"]
langs: ["common"]
quality: 95
url: "http://registry.apicrafter.io/datatype/ismn"
---

# International Standard Music Number (ISMN) (`ismn`)

> **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.

ISO 10957 identifier of notated (printed) music. The current form has 13 digits starting with 979-0; the older 10-character form starts with M. The last digit is a check digit.

- Personal data (PII): no
- Categories: Publishing and print (publishing), Media and entertainment (media)
- Countries: global
- Languages: Common to most languages (common)
- Classification: identifier

## Detection

Regular expression (Python `re`):

```
^(?:979[- ]?0|M)(?:[- ]?\d){9}$
```

## Examples

- `9790032282208` — Synthetic number with a valid check digit
- `9790051283651` — Synthetic number with a valid check digit
- `979-0-032-28220-8` — The first example in its printed form
- `97900322822087` (invalid example) — One character too many

## Mappings

- autotype: `ismn`
- stdnum: `ismn`
- wikidata: `P1208`

## Supported by tools

- `autotype`
- `dataprep`
- `greatexpectations`
- `pythonstdnum`

## Sources

- wikipedia: <https://en.wikipedia.org/wiki/International_Standard_Music_Number>
- other: <https://arthurdejong.org/python-stdnum/doc/2.2/stdnum.ismn.html>
- wikidata: <https://www.wikidata.org/wiki/Property:P1208>

## Quality

Score 95/100. Missing: translation.

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