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InventoryRef cosing-live-990482023-05-23

PHYCOERYTHRIN

Phycoerythrin is a photosynthetic protein isolated from various species of red algae.

PHYCOERYTHRIN 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 11016-17-4
CAS 11016-17-4PubChem CID 238

Phycoerythrin

adenosine triphosphate has been reported in Homo sapiens with data available. — LOTUS - the natural products occurrence database

IUPAC name
[[5-(6-aminopurin-9-yl)-3,4-dihydroxyoxolan-2-yl]methoxy-hydroxyphosphoryl] phosphono hydrogen phosphate
Molecular formula
C10H16N5O13P3
Molecular weight
507.18 g/mol
Exact mass
506.99574658 Da
XLogP3
-5.7
Topological polar surface area
279.0 Ų
Hydrogen-bond donors
7
Hydrogen-bond acceptors
17
Covalent units
1
Defined stereocentres
0

Also known as

Phycoerythrins, R-RefChem:389216R-PHYCOERYTHRIN3-Methylbenzo[d]thiazol-3-iuM chlorideAdenosine triphosphate/ATPLaevadosinATPNa2[[5-(6-aminopurin-9-yl)-3,4-dihydroxy-tetrahydrofuran-2-yl]methoxy-hydroxy-phosphoryl] phosphono hydrogen phosphate
3 more reported names
DA-67302Polycaprolactone triol(180-230cs(55 inverted exclamation markac))[[(2R,5R)-5-(6-Aminopurin-9-yl)-3,4-dihydroxyoxolan-2-yl]methoxy-hydroxyphosphoryl] phosphono hydrogen phosphate
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.

Official European Commission record

CosIng substance ID
99048
Entry status
Active
Published in the Official Journal
Yes
Recorded by the Commission
2023-05-23
Open this entry in the official CosIng database

Fields as published by the European Commission. The link opens the entry itself, not a search for it.

Inventory details for PHYCOERYTHRIN

INCI name

PHYCOERYTHRIN

Description

Phycoerythrin is a photosynthetic protein isolated from various species of red algae.

Record provenance

Inventory reference
cosing-live-99048
Imported identity
PHYCOERYTHRIN
Source update
2023-05-23
European Commission CosIng source notes

Key data

EC
—
Restriction
—
Function
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 PHYCOERYTHRIN appears in the CosIng inventory

The CosIng inventory lists PHYCOERYTHRIN 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.

PHYCOERYTHRIN 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

PHYCOERYTHRIN 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, PHYCOERYTHRIN carries the following function designation(s):

CAS 11016-17-4 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 PHYCOERYTHRIN

This page reproduces the CosIng inventory entry for PHYCOERYTHRIN 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 PHYCOERYTHRIN 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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