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Narasin

CAS 55134-13-9 · 40/100 · High conf.

Also registered as 3 other CAS numbers

58716-56-6 · 59979-83-8 · 124760-07-2

Narasin chemical structure

Concern score

40/100Moderate concern based on regulatory listings.
High confidence

Narasin in plain language

What it is

Also known as Antibiotic A-28086 factor a · Narasin a · Salinomycin, 4-METHYL-, (4S)- · (4S)-4-Methylsalinomycin · 4-Methylsalinomycin · Antibiotic A 28086A

Show all 18 names

Antibiotic C 7819B · C-7819B · COMPD-79891 · Compound 79891 · Lilly 79891 · Monteban · Monteban 45 · Narasine · Narasinum · Skycis · Skycis 100 · narasina

What it does

Used in food as an antimicrobial agent.

  • Antimicrobial agent
Is it a concern?
Moderate concern: no hazard classifications on record.

Why it's flagged

EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products.

The score describes this ingredient's chemical identity — its hazard profile from published classifications and regulatory status — not the safety of any product it appears in.

Regulation

No restrictions found. Narasin appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Industrial
  • EUEFSAEFSA opinion6 entries
    • Cross-contamination of non-target feedingstuffs by narasin authorised for use as a feed additive (EFSA CONTAM)Source →
    • Opinion of the Scientific Panel on additives and products or substances used in animal feed (FEEDAP) on the re-evaluation of efficacy and safety of the coccidiostat Monteban® G100 in accordance with article 9G of Council Directive 70/524/EEC (EFSA FEEDAP)Source →
    • Safety and efficacy of Monteban G100 (narasin) for ducks for fattening (EFSA FEEDAP)Source →
    • Safety and efficacy of Monteban G100 (narasin) for chickens for fattening (EFSA FEEDAP)Source →
    • Scientific Opinion on the safety and efficacy of Maxiban G160 (narasin and nicarbazin) for chickens for fattening (EFSA FEEDAP)Source →
    • Scientific Opinion on the modification of authorisation of the feed additive Monteban G100 (narasin) for chickens for fattening (EFSA FEEDAP)Source →
  • GLOBALJECFA0-0.005 mg/kg bwJECFA evaluation lists ADI 0-0.005 mg/kg bw. Functional class: antimicrobial agent.
    • JECFA evaluation lists ADI 0-0.005 mg/kg bw. Functional class: antimicrobial agent.Source →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 0 composition records across product categories including unclassified products.
    • EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
    • openFDA substance registry classifies this ingredient as chemical.Source →

Expert safety opinions

Independent scientific assessments cited by the records we hold, with the year and link where the record gives one.

  • JECFA

    Joint FAO/WHO Expert Committee on Food Additives

    • JECFA evaluation lists ADI 0-0.005 mg/kg bw. Functional class: antimicrobial agent.

      Year not recorded · GLOBAL JECFA listing · Read the source →

  • EFSA

    European Food Safety Authority

    • Cross-contamination of non-target feedingstuffs by narasin authorised for use as a feed additive (EFSA CONTAM)

      2007 · EU EFSA listing · Read the source →

    • Opinion of the Scientific Panel on additives and products or substances used in animal feed (FEEDAP) on the re-evaluation of efficacy and safety of the coccidiostat Monteban® G100 in accordance with article 9G of Council Directive 70/524/EEC (EFSA FEEDAP)

      2004 · EU EFSA listing · Read the source →

    • Safety and efficacy of Monteban G100 (narasin) for ducks for fattening (EFSA FEEDAP)

      2018 · EU EFSA listing · Read the source →

    • Safety and efficacy of Monteban G100 (narasin) for chickens for fattening (EFSA FEEDAP)

      2018 · EU EFSA listing · Read the source →

    • Scientific Opinion on the safety and efficacy of Maxiban G160 (narasin and nicarbazin) for chickens for fattening (EFSA FEEDAP)

      2010 · EU EFSA listing · Read the source →

    • Scientific Opinion on the modification of authorisation of the feed additive Monteban G100 (narasin) for chickens for fattening (EFSA FEEDAP)

      2010 · EU EFSA listing · Read the source →

Evidence & sources

No graded research studies for Narasin yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

7 data sources

Where this comes from

  • EFSA OpenFoodTox

    regulatory · updated 2026-10-04

    Open →
  • EPA Chemical and Products Database

    exposure · updated 2020-08-31

    Open →
  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →
  • FDA GSRS UNII

    registry · updated 2026-02-26

    Open →
  • WHO JECFA Database

    regulatory · updated 2026-10-04

    Open →
  • openFDA Substance

    registry · updated 2026-05-24

    Open →
  • PubChem Live Enrichment

    chemistry · updated 2026-05-17

    Open →

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Food use

Food-use source coverage is present in the current record.

Good fit

The ingredient appears in food-oriented source coverage or allowed-use references, which makes food use easier to support than a context with no domain signal at all.

Fragrance avoidance

No fragrance-linked caution surfaced in the current profile.

Good fit

This ingredient does not currently read as a fragrance-linked driver in the published evidence and hazard profile.

Where it has been recorded

How often EPA CPDat has listed Narasin in a product composition. These are source records, not Greenveil catalog products.

Named organisations

4

Typical roles

Antimicrobial agent
See products using Narasin →