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InventoryRef 3528515/10/2010

METHYL DEHYDROABIETATE

1-Phenanthrenecarboxylic acid, 1,2,3,4,4a,9,10,10a-octahydro-1,4a-dimethyl-7-(1-methylethyl)-, methyl ester (1r-(1.alpha.,4a.beta.,10a.alpha.))-

METHYL DEHYDROABIETATE 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 1235-74-1
CAS 1235-74-1PubChem CID 14697

Methyl Dehydroabietate

methyl dehydroabietate has been reported in Pinus densiflora, Torreya nucifera, and other organisms with data available. LOTUS - the natural products occurrence database

IUPAC name
methyl (1R,4aS,10aR)-1,4a-dimethyl-7-propan-2-yl-2,3,4,9,10,10a-hexahydrophenanthrene-1-carboxylate
Molecular formula
C21H30O2
Molecular weight
314.5 g/mol
Exact mass
314.224580195 Da
XLogP3
5.9
Topological polar surface area
26.3 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
2
Covalent units
1
Defined stereocentres
3

Also known as

Methyl dehydroabietyateUNII-4P47O55S2W1-Phenanthrenecarboxylic acid, 1,2,3,4,4a,9,10,10a-octahydro-1,4a-dimethyl-7-(1-methylethyl)-, methyl ester, (1R,4aS,10aR)-4P47O55S2WNSC-81596NSC-1461981-Phenanthrenecarboxylic acid,1,2,3,4,4a,9,10,10a-octahydro-1,4a-dimethyl-7-(1-methylethyl)-, methyl ester, (1R,4aS,10aR)-(1R,4AS,10AR)-1,2,3,4,4A,9,10,10A-OCTAHYDRO-1,4A-DIMETHYL-7-(1-METHYLETHYL)-1-PHENANTHRENECARBOXYLIC ACID METHYL ESTER
16 more reported names
1-Phenanthrenecarboxylic acid, 1,2,3,4,4a,9,10,10a-octahydro-1,4a-dimethyl-7-(1-methylethyl)-,methyl ester, (1R-(1alpha,4abeta,10aalpha))-RefChem:157839METHYL DEHYDROABIETATE [INCI]1-Phenanthrenecarboxylic acid, 1,2,3,4,4a,9,10,10a-octahydro-1,4a-dimethyl-7-(1-methylethyl)-, methyl ester, (1R-(1alpha,4abeta,10aalpha))-1-Phenanthrenecarboxylic acid, 1,2,3,4,4a,9,10,10a-octahydro-1,4a-dimethyl-7-(1-methylethyl)-,methyl ester, (1R-(1alpha,4abeta,10aalpha))-(9CI)Phenanthrene-1-carboxylic acid, 1,2,3,4,4a,9,10,10a-octahydro-7-isopropyl-1,4a-dimethyl-, methyl ester,, (1R-(1alpha,4abeta,10aalpha))-Phenanthrene-1-carboxylic acid, 1,2,3,4,4a,9,10,10a-octahydro-7-isopropyl-1,4a-dimethyl-, methyl ester,, [1R-(1.alpha.,4a.beta.,10a.alpha.)]-1-Phenanthrenecarboxylic acid, 1,2,3,4,4a,9,10,10a-octahydro-1,4a-dimethyl-7-(1-methylethyl)-, methyl ester, [1R-(1.alpha.,4a.beta.,10a.alpha.)]-PGZCJOPTDHWYES-UHFFFAOYSA-N(1R,4aS,10aR)-methyl 7-isopropyl-1,4a-dimethyl-1,2,3,4,4a,9,10,10a-octahydrophenanthrene-1-carboxylateCS-0163127Methyl 8,13-abietatrien-18-oateNSC 81596NSC 146198Methyl 8,11,13-abietatrien-18-oatePodocarpa-8,13-trien-15-oic acid, 13-isopropyl-, methyl ester
External database identifiers

Evidence from additional scientific databases

NIH PubChem PUG-View
Exact identifier match14697

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
SourceResultChecked
NIH PubChem PUG-ViewExact match2026-08-31

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 METHYL DEHYDROABIETATE

INCI name

METHYL DEHYDROABIETATE

Description

1-Phenanthrenecarboxylic acid, 1,2,3,4,4a,9,10,10a-octahydro-1,4a-dimethyl-7-(1-methylethyl)-, methyl ester (1r-(1.alpha.,4a.beta.,10a.alpha.))-

Record provenance

Inventory reference
35285
Imported identity
METHYL DEHYDROABIETATE
Source update
15/10/2010
European Commission CosIng source notes

Key data

EC
Restriction
Function
SKIN CONDITIONING
Maintaining the skin in good condition.
SKIN CONDITIONING - EMOLLIENT
Acting as lubricants on the skin surface providing the skin with a soft and smooth appearance.
VISCOSITY CONTROLLING
Increasing or decreasing the viscosity (thickness) of cosmetics.

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 METHYL DEHYDROABIETATE appears in the CosIng inventory

The CosIng inventory lists METHYL DEHYDROABIETATE 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.

METHYL DEHYDROABIETATE is also tagged with 3 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

METHYL DEHYDROABIETATE 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, METHYL DEHYDROABIETATE carries the following function designation(s):

CAS 1235-74-1 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 METHYL DEHYDROABIETATE

This page reproduces the CosIng inventory entry for METHYL DEHYDROABIETATE 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 METHYL DEHYDROABIETATE 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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