CAS 1 record

CAS 138937-28-7

CAS 138937-28-7 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 138937-28-7

CAS 138937-28-7PubChem CID 22020437

5,6-Dihydroxyindoline hydrobromide

IUPAC name: 2,3-dihydro-1H-indole-5,6-diol;hydrobromide

Molecular formula: C8H10BrNO2
Molecular weight: 232.07 g/mol
Exact mass: 230.98949 Da
Topological polar surface area: 52.5 Å²
Hydrogen-bond donors: 4
Hydrogen-bond acceptors: 3
Covalent units: 2
Defined stereocentres: 0

Also known as

RefChem:5280725,6-Dihydroxy-2,3-dihydro-1H-indolium bromideEC 421-170-6Indoline-5,6-diol hydrobromide5,6-DIHYDROXYINDOLINE HBRDIHYDROXYINDOLINE HBRAS-173475,6-DihydroxyindolineHBr

6 more reported names

Indoline-5,6-dIndoline-5,6-diol HBrIndoline-5,6-diolhydrobromideindoline-5,6-diol;hydrobromideCS-0209156FT-0654053

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External database identifiers

EPA DTXSID:DTXSID001021295

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

Records for CAS 138937-28-7

1 total

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How CAS 138937-28-7 is used on this site

CAS 138937-28-7 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 138937-28-7 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.