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CAS 156-57-0

CAS 156-57-0 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 156-57-0

CAS 156-57-0PubChem CID 9082

Cysteamine Hydrochloride

Cysteamine hydrochloride is an alkanethiol. — ChEBI

IUPAC name: 2-aminoethanethiol;hydrochloride

Molecular formula: C2H8ClNS
Molecular weight: 113.61 g/mol
Exact mass: 113.0065981 Da
Topological polar surface area: 27.0 Å²
Hydrogen-bond donors: 3
Hydrogen-bond acceptors: 2
Covalent units: 2
Defined stereocentres: 0

Also known as

2-Aminoethanethiol hydrochlorideCysteamine HClMercaptamine hydrochlorideCysteaminium chlorideBekaptanETHANETHIOL, 2-AMINO-, HYDROCHLORIDEMercaptoethylamine hydrochlorideMerkamin hydrochloride

16 more reported names

Mercamine hydrochlorideCysteamine chlorohydrateCysteaminhydrochloridCystaranIF1B771SVBNSC-758692CI-9148CYSTADROPSNSC-21116NSC-25116RefChem:54920Hydrochloride, Cysteamine205-858-12-Mercaptoethylamine hydrochlorideCysteamine (Hydrochloride)2-aminoethane-1-thiol hydrochloride

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External database identifiers

ChEBI:CHEBI:201814
ChEMBL:CHEMBL1256137
EPA DTXSID:DTXSID8045779

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 156-57-0

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How CAS 156-57-0 is used on this site

CAS 156-57-0 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 0 EU annex records share 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 156-57-0 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.