Regulatory data is for reference only. Always verify with the official regulator before making formulation decisions. Last refreshed: 7/12/2026.

Ingredients/1H-Indole-5,6-diol

1H-Indole-5,6-diolCAS 3131-52-0

EU CosIng Annex IIIrestricted

Regulatory status

SourceStatusAnnex / DetailsLimit / ConditionsLast updated
EU CosIngrestrictedAnnex III

What this means

1H-Indole-5,6-diol has regulatory signals in EU CosIng. Review the source links above for the official conditions and latest updates.

Common questions

Is 1H-Indole-5,6-diol restricted in EU cosmetics?
1H-Indole-5,6-diol is restricted in EU cosmetics under Annex III.
What is the CAS number for 1H-Indole-5,6-diol?
The CAS number for 1H-Indole-5,6-diol is 3131-52-0.

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