What other records share CAS 122628-50-6?

CAS 122628-50-6 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 8696515/10/2010

DISODIUM PYRROLOQUINOLINEDIONE TRICARBOXYLATE

DISODIUM PYRROLOQUINOLINEDIONE TRICARBOXYLATE 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 122628-50-6

CAS 122628-50-6PubChem CID 3078772

1H-Pyrrolo(2,3-f)quinoline-2,7,9-tricarboxylic acid, 4,5-dihydro-4,5-dioxo-, sodium salt (1:2)

IUPAC name: disodium;2-carboxy-4,5-dioxo-1H-pyrrolo[2,3-f]quinoline-7,9-dicarboxylate

Molecular formula: C14H4N2Na2O8
Molecular weight: 374.17 g/mol
Exact mass: 373.97630365 Da
Topological polar surface area: 180.0 Å²
Hydrogen-bond donors: 2
Hydrogen-bond acceptors: 9
Covalent units: 3
Defined stereocentres: 0

Also known as

1H-Pyrrolo[2,3-f]quinoline-2,7,9-tricarboxylic acid, 4,5-dihydro-4,5-dioxo-, sodium salt (1:2)disodium;2-carboxy-4,5-dioxo-1H-pyrrolo(2,3-f)quinoline-7,9-dicarboxylateRefChem:439262961-572-3Methoxatin disodium saltMethoxatin DisodiumPYRROLOQUINOLINE QUINONE DISODIUM SALTDisodium 4,5-dihydro-4,5-dioxo-1H-pyrrolo(2,3-f)quinoline-2,7,9-tricarboxylate

16 more reported names

Pyrroloquinolinequinone disodiumCCG-268344Disodium pyrroloquinolinedione tricarboxylatePyrroloquinolinequinone disodium salt1H-Pyrrolo(2,3-f)quinoline-2,7,9-tricarboxylic acid, 4,5-dihydro-4,5-dioxo-, disodium salt8WX58ADB2ESodium 2-carboxy-4,5-dioxo-4,5-dihydro-1H-pyrrolo[2,3-f]quinoline-7,9-dicarboxylatesodium 9-carboxy-4,5-dioxo-4,5-dihydro-1H-pyrrolo[2,3-f]quinoline-2,7-dicarboxylateUNII-8WX58ADB2EPyrroloquinolinC14H4N2Na2O8BioPQQPQQ (disodium salt)PQQ-2NaPQQ.2NaPyrroloquinolineQuinoneDisodium

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

EPA DTXSID:DTXSID10924223

Evidence from additional scientific databases

NIH PubChem PUG-View

Exact identifier match3078772

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

Signal: Warning Source: European Chemicals Agency (ECHA)
GHS Hazard Statements: H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral] Source: European Chemicals Agency (ECHA)
Precautionary Statement Codes: P264, P270, P301+P317, P330, and P501 (click each P-code to see the statement) Source: European Chemicals Agency (ECHA)
ECHA C&L Notifications Summary: The GHS information provided by 1 company from 1 notification to the ECHA C&L Inventory. Source: European Chemicals Agency (ECHA)

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
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 DISODIUM PYRROLOQUINOLINEDIONE TRICARBOXYLATE

INCI name

DISODIUM PYRROLOQUINOLINEDIONE TRICARBOXYLATE

Record provenance

Inventory reference: 86965
Imported identity: DISODIUM PYRROLOQUINOLINEDIONE TRICARBOXYLATE
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for DISODIUM PYRROLOQUINOLINEDIONE TRICARBOXYLATE

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Key data

CAS

122628-50-6

—

Restriction

—

Function

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

Official EU ingredient-name evidence

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

#9425 · DISODIUM PYRROLOQUINOLINEDIONE TRICARBOXYLATE

Ingredients with overlapping formulation functions

DIPTERYX ALATA SHELL POWDERANTIOXIDANT

DIRETINYL ETHERANTIOXIDANT, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT

DISODIUM ASCORBYL SULFATEANTIOXIDANT

DISODIUM ISOSTEARYL ASCORBYL PHOSPHATEANTIOXIDANT, SKIN CONDITIONING - EMOLLIENT

DISODIUM RUTINYL DISULFATEANTIOXIDANT

DISODIUM SALICYLPHOSPHATEANTIOXIDANT, CHELATING, SKIN CONDITIONING

DISODIUM UBIQUINONEANTIOXIDANT, HAIR CONDITIONING, HUMECTANT, SKIN CONDITIONING, SKIN PROTECTING

DISPORUM SESSILE LEAF EXTRACTANTIOXIDANT, 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 DISODIUM PYRROLOQUINOLINEDIONE TRICARBOXYLATE appears in the CosIng inventory

The CosIng inventory lists DISODIUM PYRROLOQUINOLINEDIONE TRICARBOXYLATE 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.

DISODIUM PYRROLOQUINOLINEDIONE TRICARBOXYLATE is also tagged with 1 cosmetic function 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

DISODIUM PYRROLOQUINOLINEDIONE TRICARBOXYLATE 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, DISODIUM PYRROLOQUINOLINEDIONE TRICARBOXYLATE carries the following function designation(s):

ANTIOXIDANT

CAS 122628-50-6 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 DISODIUM PYRROLOQUINOLINEDIONE TRICARBOXYLATE

This page reproduces the CosIng inventory entry for DISODIUM PYRROLOQUINOLINEDIONE TRICARBOXYLATE 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 DISODIUM PYRROLOQUINOLINEDIONE TRICARBOXYLATE 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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