CAS 1 record

CAS 73855-45-5

CAS 73855-45-5 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 73855-45-5

CAS 73855-45-5PubChem CID 3056886

Quinoxaline, 1,2,3,4-tetrahydro-6-chloro-

IUPAC name: 6-chloro-1,2,3,4-tetrahydroquinoxaline

Molecular formula: C8H9ClN2
Molecular weight: 168.62 g/mol
Exact mass: 168.0454260 Da
XLogP3: 2.3
Topological polar surface area: 24.1 Å²
Hydrogen-bond donors: 2
Hydrogen-bond acceptors: 2
Covalent units: 1
Defined stereocentres: 0

Also known as

BRN 0135422Quinoxaline, 6-chloro-1,2,3,4-tetrahydro-5-23-06-00027 (Beilstein Handbook Reference)RefChem:3788686-Chloro-1,2,3,4-tetrahydro-quinoxalineClC1=CC=C2NCCNC2=C1MS-20013DB-359333

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External database identifiers

EPA DTXSID:DTXSID70224433

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 73855-45-5

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How CAS 73855-45-5 is used on this site

CAS 73855-45-5 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 73855-45-5 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.