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CAS 1 record

CAS 29539-03-5

CAS 29539-03-5 matches 1 EU annex record across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 29539-03-5
CAS 29539-03-5PubChem CID 147311

5,6-Dihydroxyindoline

Leukoaminochrome is a member of the class of indoles that is indoline with hydroxy substituents at positions 5 and 6. It has a role as a metabolite. It is a member of indoles and a member of catechols. It derives from a hydride of an indoline. — ChEBI

IUPAC name
2,3-dihydro-1H-indole-5,6-diol
Molecular formula
C8H9NO2
Molecular weight
151.16 g/mol
Exact mass
151.063328530 Da
XLogP3
1.2
Topological polar surface area
52.5 Ų
Hydrogen-bond donors
3
Hydrogen-bond acceptors
3
Covalent units
1
Defined stereocentres
0

Also known as

Indoline-5,6-diol5,6-IndolinediolLeukoaminochromeHH49N58FJ9CHEBI:74683RefChem:10722011H-Indole-5,6-diol, 2,3-dihydro-56DHInn
9 more reported names
2-descarboxy-cyclo-dopa2,3-Dihydro-5,6-dihydroxyindole5,6-Dihydroxy-2,3-dihydroindoleLeucoaminochromeLEUCODOPAMINOCHROMEUNII-HH49N58FJ9VGSVNUGKHOVSPK-UHFFFAOYSA-NAC-27802CS-0343102
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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.

Records for CAS 29539-03-5

1 total
No records found for this CAS number.

How CAS 29539-03-5 is used on this site

CAS 29539-03-5 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 1 EU annex record shares this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 29539-03-5 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.