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CAS 10284-63-6 may appear across multiple EU annex records. The CAS lookup page shows all Annex II–VI entries sharing this identifier, useful for identifying cross-annex regulatory status of the same chemical substance.

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InventoryRef 8570615/10/2010

METHYLINOSITOL

METHYLINOSITOL is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.

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Regulatory evidence by market

No rule for this ingredient has been imported for any of the 13 markets tracked here.

That describes this inventory, not the law. No imported rule is not evidence that an ingredient is permitted: a rule may exist under another name or identifier, or in a dataset not yet imported here.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 10284-63-6

CAS 10284-63-6PubChem CID 164619

Ononitol, (+)-

D-pinitol is the D-enantiomer of pinitol. It has a role as a geroprotector and a member of compatible osmolytes. It is functionally related to a 1D-chiro-inositol. It is an enantiomer of a L-pinitol. — ChEBI

IUPAC name: (1S,2S,4S,5R)-6-methoxycyclohexane-1,2,3,4,5-pentol

Molecular formula: C7H14O6
Molecular weight: 194.18 g/mol
Exact mass: 194.07903816 Da
XLogP3: -3.2
Topological polar surface area: 110.0 Å²
Hydrogen-bond donors: 5
Hydrogen-bond acceptors: 6
Covalent units: 1
Defined stereocentres: 4

Also known as

(+)-Ononitol1-D-4-O-METHYL-MYO-INOSITOL6090-97-7D-Myo-inositol, 4-O-methyl-UNII-A998ME07KRA998ME07KR(1R,2S,3S,4S,5S,6S)-6-Methoxycyclohexane-1,2,3,4,5-pentaolRefChem:44499

16 more reported names

D-PinitolPinitol3-O-Methyl-D-chiro-inositolD-ononitol(+)-PinitolInzitolMethylinositolPinitD-(+)-PinitolSennitolMatezitNIC5-15484-68-4D-chiro-Inositol, 3-O-methyl-4-O-Methyl-myo-inositol1D-4-O-Methyl-myo-inositol

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:18266
ChEBI:CHEBI:28548
ChEMBL:CHEMBL4303180
ChEMBL:CHEMBL493737
EPA DTXSID:DTXSID101381058
EPA DTXSID:DTXSID201355862
EPA DTXSID:DTXSID50883108
EPA DTXSID:DTXSID601029635
EPA DTXSID:DTXSID901337631
PubMed:22701689
PubMed:22649547
PubMed:22412924
PubMed:22345667
PubMed:22210188
PubMed:22114564
PubMed:21812053
PubMed:20525853
PubMed:19837819
PubMed:19748360
PubMed:19221977
PubMed:17467106

Evidence from additional scientific databases

EMBL-EBI ChEBI

Exact identifier matchCHEBI:28548

D-pinitol

The D-enantiomer of pinitol.

Formula: C7H14O6
Average mass: 194.183 g/mol
Monoisotopic mass: 194.07904 Da
Formal charge: 0

pinitol — is a (CHEBI:37208)

compatible osmolytes — has role (CHEBI:23366)
geroprotector — has role (CHEBI:176497)

1D-chiro-inositol — has functional parent (CHEBI:27372)
compatible osmolytes — has role (CHEBI:23366)
geroprotector — has role (CHEBI:176497)
pinitol — is a (CHEBI:37208)
L-pinitol — is enantiomer of (CHEBI:37209)

18926710 Source: PubMed
19268586 Source: PubMed
21545185 Source: PubMed
22843669 Source: PubMed
28231520 Source: PubMed
9392883 Source: PubMed
9834164 Source: PubMed

Additional curated names

1D-3-O-methyl-chiro-inositol1D-3-O-Methyl-chiro-inositol(1R,2S,3R,4S,5S,6S)-6-methoxycyclohexane-1,2,3,4,5-pentol3-o-methyl-d-chiro-inositol5D-5-O-Methyl-chiro-inositolCathrtomannitolD-3-o-methyl-chiro-inositolD-chiro-inositol, 3-o-methyl-D-PinitolInositol, 3-o-methyl-, d-chiro-InzitolMatezitmethylinositolMethylinositolNDI 18NIC5-15NSC-128700PiniolPinit(+)-pinitolPinitol bD-(+)-pinitol

Cross-references from this source

CAS: 10284-63-6 — ChemIDplus
CAS: 10284-63-6 — KEGG COMPOUND
MANUAL_X_REF: 10369209 — ChemSpider
MANUAL_X_REF: C00001168 — KNApSAcK
MANUAL_X_REF: C03844 — KEGG COMPOUND
MANUAL_X_REF: FDB012524 — FooDB
MANUAL_X_REF: HMDB0034219 — HMDB
MANUAL_X_REF: Pinitol — Wikipedia
REGISTRY_NUMBER: 2043789 — Beilstein
REGISTRY_NUMBER: 4291950 — Beilstein

Mapped by: Exact CAS cross-reference in the ChEBI compound record. Source updated: 2021-10-26. Retrieved: 2026-08-31. Open source record

NIH PubChem PUG-View

Exact identifier match164619

Attributed physical-property, hazard, environmental and use annotations.

Mapped by: Existing checksum-valid CAS to unique PubChem CID match. Retrieved: 2026-08-31. Open source record

Scientific classifications and hazard annotations provide context and do not replace the market-specific regulatory decision shown above.

Additional source coverage and match status

Source	Result	Checked
EMBL-EBI ChEBI	Exact match	2026-08-31
NIH PubChem PUG-View	Exact match	2026-08-31

A recorded no-match is useful evidence that the source was checked; it is not a claim that the substance does not exist elsewhere.

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Inventory details for METHYLINOSITOL

INCI name

METHYLINOSITOL

Record provenance

Inventory reference: 85706
Imported identity: METHYLINOSITOL
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for METHYLINOSITOL

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Key data

CAS

10284-63-6

—

Restriction

—

Function

HUMECTANT: Retaining and/or preserving the moisture in a product during use.
SKIN CONDITIONING: Maintaining the skin in good condition.

Official EU ingredient-name evidence

The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.

#16643 · METHYLINOSITOL

Ingredients with overlapping formulation functions

METHYL SORBOSIDEHUMECTANT

METHYLAMIDO CELLULOSE GUMFILM FORMING, HUMECTANT, SKIN CONDITIONING

METHYLCYCLOHEXENYL ISOPROPYLTRISILOXANEHUMECTANT, SKIN CONDITIONING

METHYLHEPTYLGLYCERINDEODORANT, HUMECTANT, SKIN CONDITIONING - MISCELLANEOUS

METHYLSILANOL PCAHUMECTANT, SKIN CONDITIONING

METSCHNIKOWIA HENANENSIS EXTRACTHUMECTANT, SKIN CONDITIONING

METSCHNIKOWIA VITICOLA EXTRACTHUMECTANT, SKIN CONDITIONING

MEVALONOLACTONEHUMECTANT

Additional official and scientific sources

11 external databases to check this identity in

Each link searches that source for this identity. What each source is, and its legal weight

ECHA CHEM / Information on chemicals PubChem PUG REST EU Safety Gate cosmetic product alerts ECHA CHEM US EPA CompTox Cosmetic Ingredient Review safety assessments FDA Global Substance Registration System ILO/WHO International Chemical Safety Cards Japan NITE-CHRIP NIOSH Pocket Guide to Chemical Hazards OECD eChemPortal

How METHYLINOSITOL appears in the CosIng inventory

The CosIng inventory lists METHYLINOSITOL as a cosmetic ingredient and this page links it to 0 annex records. The inventory entry captures names and identifiers, while the annex records show where the substance is prohibited, restricted or positively listed in EU cosmetics law.

METHYLINOSITOL is also tagged with 2 cosmetic functions in the official data. Function labels describe intended use, but they do not replace regulatory review of linked annex records before formulation or labelling work.

Frequently asked questions

METHYLINOSITOL is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Absence of an annex link does not guarantee unrestricted use — always verify against the current official CosIng database before formulating.

According to the EU CosIng inventory, METHYLINOSITOL carries the following function designation(s):

CAS 10284-63-6 may appear across multiple EU annex records. Viewing the CAS lookup page shows all Annex II–VI entries sharing this identifier, which is useful for identifying cross-annex regulatory status of the same chemical substance.

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Source note for METHYLINOSITOL

This page reproduces the CosIng inventory entry for METHYLINOSITOL from public European Commission cosmetic ingredient materials and shows linked identifiers even when no direct annex match is currently attached.

Use this inventory page to research METHYLINOSITOL and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

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