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InventoryRef 9336609/03/2016

TETRAHYDROPALMATINE HCL

6H-Dibenzo[a,g]quinolizine, 5,8,13,13a-tetrahydro-2,3,9,10-tetramethoxy-, hydrochloride (1:1)

TETRAHYDROPALMATINE HCL 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 6024-85-7
CAS 6024-85-7PubChem CID 6602555

6H-Dibenzo(a,g)quinolizine, 5,8,13,13a-tetrahydro-2,3,9,10-tetramethoxy-, hydrochloride (1:1)

IUPAC name
2,3,9,10-tetramethoxy-6,8,13,13a-tetrahydro-5H-isoquinolino[2,1-b]isoquinoline;hydrochloride
Molecular formula
C21H26ClNO4
Molecular weight
391.9 g/mol
Exact mass
391.1550360 Da
Topological polar surface area
40.2 Ų
Hydrogen-bond donors
1
Hydrogen-bond acceptors
5
Covalent units
2
Defined stereocentres
0

Also known as

dl-Tetrahydropalmatine hydrochlorideNSC-132057NSC-2094114AA8F911N9RefChem:1074177TETRAHYDROPALMATINE HYDROCHLORIDE, (A+-)-Tetrahydropalmatine (hydrochloride)Tetrahydropalmatine HCl
16 more reported names
(+/-)-tetrahydropalmatine hydrochloride2506-20-92,3,9,10-Tetramethoxy-6,8,13,13a-tetrahydro-5H-isoquinolino[3,2-a]isoquinoline hydrochlorideTetrahydropalmaline chlorideDL-Tetrahydropalmatine (hydrochloride)2,3,9,10-Tetramethoxy-5,8,13,13a-tetrahydro-6H-isoquinolino[3,2-a]isoquinoline hydrochlorideTetrahydropalmatine hydrochloride, (+/-)-2,3,9,10-Tetramethoxy-5,8,13,13a-tetrahydro-6H-isoquino[3,2-a]isoquinoline hydrochlorideC21H26ClNO4WLN: T D6 B666 KN&TT&J GO1 HO1 PO1 QO1 &GHD-Tetrahydropalmatine hydrochloride2,3,9,10-Tetramethoxy-5,8,13,13a-tetrahydro-6H-isoquino[3,2-a]isoquinolineHY-N0300APalmatine, hydrochloride, (+)-MGSZZQQRTPWMEI-UHFFFAOYSA-NHMS5082O17
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.

Inventory details for TETRAHYDROPALMATINE HCL

INCI name

TETRAHYDROPALMATINE HCL

Description

6H-Dibenzo[a,g]quinolizine, 5,8,13,13a-tetrahydro-2,3,9,10-tetramethoxy-, hydrochloride (1:1)

Record provenance

Inventory reference
93366
Imported identity
TETRAHYDROPALMATINE HCL
Source update
09/03/2016
European Commission CosIng source notes

Key data

EC
Restriction
Function
ANTIOXIDANT
Inhibiting reactions promoted by oxygen, thus avoiding oxidation and rancidity.
REDUCING
Changing the chemical nature of another ingredient by adding hydrogen (or removing oxygen).

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 TETRAHYDROPALMATINE HCL appears in the CosIng inventory

The CosIng inventory lists TETRAHYDROPALMATINE HCL 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.

TETRAHYDROPALMATINE HCL 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

TETRAHYDROPALMATINE HCL 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, TETRAHYDROPALMATINE HCL carries the following function designation(s):

CAS 6024-85-7 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 TETRAHYDROPALMATINE HCL

This page reproduces the CosIng inventory entry for TETRAHYDROPALMATINE HCL 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 TETRAHYDROPALMATINE HCL 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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