Inositol

CAS 87-89-8

Inositol is added to infant formula and some fortified drinks. It occurs widely in plants, notably as phytic acid in grains and pulses.

Where it is and isn’t permitted

Status of Inositol by jurisdiction. Every jurisdiction this site covers is listed, including those where the substance does not appear.
JurisdictionStatusScope and limitsCitation
United StatesFood and Drug AdministrationPermitted21 CFR 184.1370retrieved 2026-09-07
Codex AlimentariusCodex Alimentarius Commission / JECFANot listedDoes not appear on this jurisdiction’s permitted list. That is not the same as being prohibited.

What it is made from

Extracted from corn steep liquor, a by-product of maize wet milling, or produced by fermentation.

  • Vegan
  • Vegetarian
CAS registry number
87-89-8
InChIKey
CDAISMWEOUEBRE-UHFFFAOYSA-N
PubChem
CID 892

Every name it appears under

63 recorded names. A label may use any of them.

CAS registry number

  • 41546-34-3
  • 488-54-0
  • 488-55-1
  • 488-58-4
  • 488-59-5
  • 551-72-4
  • 643-10-7
  • 643-12-9
  • 6917-35-7
  • 87-89-8

As it appears in regulation

  • Inositol

Other names

  • 1D-Chiro-inositol
  • 1L-Chiro-inositol
  • Allo-inositol
  • alloinositol
  • an inositol
  • chiro-inositol
  • cis-1,2,3,5-trans-4,6-Cyclohexanehexol
  • cis-Inositol
  • Cocositol
  • Cyclohexane-1,2,3,4,5,6-hexaol
  • cyclohexane-1,2,3,4,5,6-hexol
  • Cyclohexanehexol
  • Cyclohexitol
  • D-(+)-chiro-Inositol
  • D-chiro Inositol
  • D-chiro-Inositol
  • d-Inositol
  • D-myo-Inositol
  • Dambose
  • epi-Inositol
  • i-Inositol
  • Inosital
  • Inosite
  • Inositene
  • Inositina
  • inositol
  • Inositol, meso-
  • Inositol, myo-
  • INOTL
  • Iso-inositol
  • L-chiro-Inositol
  • L-Inositol
  • Meat sugar
  • meso-Inositol
  • Mesoinosit
  • Mesoinosite
  • mesoinositol
  • Mesol
  • Mesovit
  • Muco-Inositol
  • myo-inositol
  • Myoinosite
  • Myoinositol
  • Neo-inositol
  • Nucite
  • Phaseomannite
  • Phaseomannitol
  • Quercinitol
  • Scyllite
  • Scyllitol
  • Scyllo-inositol

Systematic names

  • cis-1,2,3,5-trans-4,6-cyclohexanehexol

Hazard reference values

No reference value for this substance in the sources we hold.

Evidence and how bodies read it

Studies, and the differing conclusions regulators drew from them, are curated by hand rather than machine-read, and none has been written for this substance yet.

Sources for this page

  • ecfr retrieved 2026-09-07

Full licence terms and publisher details on Sources. How this page is built and updated: Method.

Machine-readable:/api/v1/additives/inositol.json