What other records share CAS 66612-11-1?

CAS 66612-11-1 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.

How do I check if my formula contains HYDROXYPHENYL DIHYDROXYBENZAMIDE?

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

InventoryRef 8260415/10/2010

HYDROXYPHENYL DIHYDROXYBENZAMIDE

Acetamide, N-[6-[(2-Chloro-4-Hydroxyphenyl)Imino]-4-Methyoxy-3-Oxo-1,4-Cyclohexadien-1-yl]-

HYDROXYPHENYL DIHYDROXYBENZAMIDE is linked to 1 EU annex record on this page.

INCI Checker Compare all markets Search similar

Regulatory evidence by market

This matrix separates verified ingredient rules from sources that are mapped but not yet imported. No imported rule does not mean the ingredient is permitted.

Compare markets

Swipe or scroll horizontally to see every column.

Market	Evidence status	Records	Source language
European Union	Evidence linked Prohibited entry found Open this evidence	1	English and EU languages
Great Britain	Source mapped Official source mapped; ingredient rule not imported	0	English
Canada	Source mapped Official source mapped; ingredient rule not imported	0	English and French
New Zealand	Source mapped Official source mapped; ingredient rule not imported	0	English
ASEAN	Source mapped Official source mapped; ingredient rule not imported	0	English and national languages
China	Source mapped Official source mapped; ingredient rule not imported	0	Chinese with selected English material
Japan	Source mapped Official source mapped; ingredient rule not imported	0	Japanese; official English translation available
South Korea	Source mapped Official source mapped; ingredient rule not imported	0	Korean with some English names
United States	Source mapped Official source mapped; ingredient rule not imported	0	English
Australia	Source mapped Official source mapped; ingredient rule not imported	0	English
Brazil	Source mapped Official source mapped; ingredient rule not imported	0	Portuguese with INCI crosswalks
India	Source mapped Official source mapped; ingredient rule not imported	0	English and Hindi
Saudi Arabia	Source mapped Official source mapped; ingredient rule not imported	0	Arabic and English

Chemical identity and properties

PubChem 2D chemical structure for CAS 66612-11-1

CAS 66612-11-1PubChem CID 3017692

N-[6-[(2-Chloro-4-hydroxyphenyl)imino]-4-methoxy-3-oxo-1,4-cyclohexadien-1-YL]acetamide

IUPAC name: N-[2-[(2-chloro-4-oxocyclohexa-2,5-dien-1-ylidene)amino]-5-hydroxy-4-methoxyphenyl]acetamide

Molecular formula: C15H13ClN2O4
Molecular weight: 320.73 g/mol
Exact mass: 320.0563846 Da
XLogP3: 1.5
Topological polar surface area: 88.0 Å²
Hydrogen-bond donors: 2
Hydrogen-bond acceptors: 5
Covalent units: 1
Defined stereocentres: 0

Also known as

HC Yellow no. 8F1NQ5U8325UNII-F1NQ5U8325N-(6-((2-Chloro-4-hydroxyphenyl)imino)-4-methoxy-3-oxo-1,4-cyclohexadien-1-yl)acetamideN-{2-[(2-CHLORO-4-OXOCYCLOHEXA-2,5-DIEN-1-YLIDENE)AMINO]-5-HYDROXY-4-METHOXYPHENYL}ACETAMIDEEINECS 266-424-5HC Yellow 8Yellow No. 8

8 more reported names

IMEXINE ILDNCKSSGISBCYQW-UHFFFAOYSA-NN-(6-((2-Chloro-4-hydroxyphenyl)imino)-4-methyoxy-3-oxo-1,4-cyclo- hexadien-1-yl)acetamideAcetamide, N-(6-((2-chloro-4-hydroxyphenyl)imino)-4-methyoxy-3-oxo-1,4-cyclo- hexadien-1-yl)-N-(2'-Chloro-4'-hydroxyphenyl)-3-acetylamino-6-methoxy-1,4-benzoq- uinoneimineN-(2'-CHLORO-4'-HYDROXYPHENYL)-3-ACETYLAMINO-6-METHOXY-1,4-BENZOQUINONEIMINEACETAMIDE, N-(6-((2-CHLORO-4-HYDROXYPHENYL)IMINO)-4-METHOXY-3-OXO-1,4-CYCLOHEXADIEN-1-YL)-N-{(6E)-6-[(2-Chloro-4-hydroxyphenyl)imino]-4-methoxy-3-oxocyclohexa-1,4-dien-1-yl}acetamide

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

EPA DTXSID:DTXSID60867237
EPA DTXSID:DTXSID70879806

Retrieved from NIH PubChem on 2026-09-02 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Inventory details for HYDROXYPHENYL DIHYDROXYBENZAMIDE

INCI name

HYDROXYPHENYL DIHYDROXYBENZAMIDE

Description

Acetamide, N-[6-[(2-Chloro-4-Hydroxyphenyl)Imino]-4-Methyoxy-3-Oxo-1,4-Cyclohexadien-1-yl]-

Record provenance

Inventory reference: 82604
Imported identity: HYDROXYPHENYL DIHYDROXYBENZAMIDE
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for HYDROXYPHENYL DIHYDROXYBENZAMIDE

Annex II Shared CAS number

Entry 1304

N-[6-[(2-Chloro-4-hydroxyphenyl)imino]-4-methoxy-3-oxo-1,4-cyclohexadien-1-yl]acetamide (HC Yellow …

CAS: 66612-11-1

EC: 266-424-5

Key data

CAS

66612-11-1

266-424-5

Restriction

—

Function

ANTIOXIDANT: Inhibiting reactions promoted by oxygen, thus avoiding oxidation and rancidity.
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.

#13315 · HYDROXYPHENYL DIHYDROXYBENZAMIDE

Records sharing a CAS or EC identity

HC YELLOW NO. 8

Ingredients with overlapping formulation functions

HYDROXYETHYL METHYLTHIOPROPENAMIDESKIN PROTECTING

HYDROXYLATED DOCOSAHEXAENOIC ACIDSKIN PROTECTING

HYDROXYMETHOXYIODOBENZYL GLYCOLAMIDE PELARGONATEANTIOXIDANT, SKIN CONDITIONING, SKIN PROTECTING

HYDROXYMETHYL PREGNACALCIFEROLHUMECTANT, SKIN CONDITIONING, SKIN PROTECTING

HYDROXYPHENYL PROPIONAMIDEANTIOXIDANT, ASTRINGENT, BLEACHING, SKIN CONDITIONING, SKIN PROTECTING

HYDROXYPHENYL THIAZINANE CARBOXYLIC ACIDSKIN CONDITIONING, SKIN PROTECTING

HYDROXYPROPYLTRIMONIUM WASABIA JAPONICA EXTRACTHAIR CONDITIONING, SKIN CONDITIONING, SKIN PROTECTING

HYDROXYRESVERATROLBLEACHING, SKIN CONDITIONING, SKIN PROTECTING

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 HYDROXYPHENYL DIHYDROXYBENZAMIDE appears in the CosIng inventory

The CosIng inventory lists HYDROXYPHENYL DIHYDROXYBENZAMIDE as a cosmetic ingredient and this page links it to 1 annex record. The inventory entry captures names and identifiers, while the annex record shows where the substance is prohibited, restricted or positively listed in EU cosmetics law.

HYDROXYPHENYL DIHYDROXYBENZAMIDE 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

HYDROXYPHENYL DIHYDROXYBENZAMIDE appears in the EU CosIng inventory and has linked annex records. Check the annex records above for applicable restrictions, concentration limits and conditions of use. Annex II listing means prohibited; Annex III means restricted; Annexes IV, V and VI mean permitted under specified conditions.

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

CAS 66612-11-1 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.

View CAS records

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

Open INCI Checker

Source note for HYDROXYPHENYL DIHYDROXYBENZAMIDE

This page combines the CosIng inventory entry for HYDROXYPHENYL DIHYDROXYBENZAMIDE with 1 linked Annex II–VI record from the local dataset built from public European Commission cosmetic ingredient materials.

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

View sources View updates

Tools & next steps

Check your formula

Scan a full INCI list to detect HYDROXYPHENYL DIHYDROXYBENZAMIDE and any linked EU annex restrictions or allergen flags.

INCI Checker

Search similar ingredients

Find other inventory ingredients and annex entries related to HYDROXYPHENYL DIHYDROXYBENZAMIDE, its identifiers or nearby name variants.