---
id: "ins_number"
kind: "datatype"
status: "draft"
is_pii: false
categories: ["agriculture", "chemistry"]
langs: ["common"]
quality: 90
url: "https://registry.apicrafter.io/datatype/ins_number"
---

# International Numbering System (INS) number of a food additive (`ins_number`)

> **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 food additive in the International Numbering System of the Codex Alimentarius (guideline CXG 36-1989). It has three or four digits, sometimes followed by a lowercase letter and a roman numeral in parentheses for a subclass, such as 160a(ii). EU E numbers (e_number) are INS numbers of the additives approved in the European Union, written with the letter E.

- Personal data (PII): no
- Categories: Agriculture, livestock and food (agriculture), Chemistry (chemistry)
- Countries: global
- Languages: Common to most languages (common)
- Classification: categorical

## Detection

Regular expression (Python `re`):

```
^\d{3,4}[a-z]?(?:\([ivx]{1,4}\))?$
```

## Examples

- `330` — Citric acid; Wikidata example
- `100(ii)` — Turmeric; Wikidata example
- `160a(ii)` — Beta-carotenes, vegetable
- `E330` (invalid example) — EU E number form; see e_number

## Mappings

- wikidata: `P4849`

## Translations

- ru: Номер пищевой добавки в Международной системе нумерации (INS): Номер пищевой добавки в Международной системе нумерации Кодекса Алиментариус (CXG 36-1989).

## Sources

- wikipedia: <https://en.wikipedia.org/wiki/International_Numbering_System_for_Food_Additives>
- wikidata: <https://www.wikidata.org/wiki/Property:P4849>

## Quality

Score 90/100. Missing: detector coverage.

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