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InventoryRef 9408322/06/2016

TIMOSAPONIN A3

\b-D-Galactopyranoside, (3\b-5\b-25S)-spirostan-3-yl 2-O-\b-\b-copyranosyl-

TIMOSAPONIN A3 is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.

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.

Chemical identity and properties

PubChem 2D chemical structure for CAS 41059-79-4
CAS 41059-79-4PubChem CID 15953793

Timosaponin A III

Timosaponin A-III is a natural product found in Anemarrhena asphodeloides. It has a role as a metabolite. ChEBI

IUPAC name
(2S,3R,4S,5S,6R)-2-[(2R,3R,4S,5R,6R)-4,5-dihydroxy-6-(hydroxymethyl)-2-[(1R,2S,4S,5'S,6R,7S,8R,9S,12S,13S,16S,18R)-5',7,9,13-tetramethylspiro[5-oxapentacyclo[10.8.0.02,9.04,8.013,18]icosane-6,2'-oxane]-16-yl]oxyoxan-3-yl]oxy-6-(hydroxymethyl)oxane-3,4,5-triol
Molecular formula
C39H64O13
Molecular weight
740.9 g/mol
Exact mass
740.43469209 Da
XLogP3
3.3
Topological polar surface area
197.0 Ų
Hydrogen-bond donors
7
Hydrogen-bond acceptors
13
Covalent units
1
Defined stereocentres
22

Also known as

timosaponin AIIIRefChem:190039Timosaponin A-IIITimosaponin A-C39H64O13anemasaponin AIIIanemarsaponin AIIItimosaponin BII-c
9 more reported names
Timosaponin A-III?CHEBI:67888HMS3886P16HY-N0810CCG-270427EBC-616730[(25S)-5ss-Spirostan-3ss-yl]2-O-(ss-D-glucopyranosyl)-ss-D-galactopyranosideCS-0009847(25S)-5beta-Spirostan-3beta-yl 2-O-beta-D-glucopyranosyl-beta-D-galactopyranoside
External database identifiers

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

What the official INCI name states

The official label identifies a biological source material and its stated preparation or plant part.

Identity type from wording
biological_material

This structure is derived only from the official label wording. It does not establish composition, concentration, chemical equivalence, safety or regulatory permission.

Inventory details for TIMOSAPONIN A3

INCI name

TIMOSAPONIN A3

Description

\b-D-Galactopyranoside, (3\b-5\b-25S)-spirostan-3-yl 2-O-\b-\b-copyranosyl-

Record provenance

Inventory reference
94083
Imported identity
TIMOSAPONIN A3
Source update
22/06/2016
European Commission CosIng source notes

Key data

EC
Restriction
Function
SKIN CONDITIONING
Maintaining the skin in good condition.
SKIN PROTECTING
Helping to avoid harmful effects to the skin from external factors.

Official EU ingredient-name evidence

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

Ingredients with overlapping formulation functions

Additional official and scientific sources

11 external databases to check this identity in

How TIMOSAPONIN A3 appears in the CosIng inventory

The CosIng inventory lists TIMOSAPONIN A3 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.

TIMOSAPONIN A3 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

TIMOSAPONIN A3 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, TIMOSAPONIN A3 carries the following function designation(s):

CAS 41059-79-4 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.

Use the INCI Checker to screen a full ingredient list across selected markets, or compare this substance across all supported market datasets.

Source note for TIMOSAPONIN A3

This page reproduces the CosIng inventory entry for TIMOSAPONIN A3 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 TIMOSAPONIN A3 and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

Tools & next steps

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