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CAS 868-59-7

CAS 868-59-7 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 868-59-7
CAS 868-59-7PubChem CID 2723617

Ethyl cysteinate hydrochloride

Ethyl L-cysteine hydrochloride is an alpha-amino acid ester. — ChEBI

IUPAC name
ethyl (2R)-2-amino-3-sulfanylpropanoate;hydrochloride
Molecular formula
C5H12ClNO2S
Molecular weight
185.67 g/mol
Exact mass
185.0277275 Da
Topological polar surface area
53.3 Ų
Hydrogen-bond donors
3
Hydrogen-bond acceptors
4
Covalent units
2
Defined stereocentres
1

Also known as

Ethyl L-cysteinate hydrochlorideCysteine ethyl ester hydrochlorideMucastineTaicisconTeincyDaiace (TN)ethyl cysteine hydrochlorideL-Cysteine, ethyl ester, hydrochloride (1:1)
16 more reported names
Ethyl L-cysteine hydrochlorideL-Cysteine, ethyl ester, hydrochlorideAM467TB2I1EINECS 212-779-6NSC 117387NSC 519837Cysteine ethyl ester hydrochloride (VAN)DaiaceETHYL L-CYSTEINE HYDROCHLORIDE [JAN]CYSTEINE, ETHYL ESTER, HYDROCHLORIDE, L-NSC-117387Ethyl L-cysteine hydrochloride (JP17)L-CYSTEINE ETHYL ESTER, HYDROCHLORIDEL-CYSTEINE ETHYL ESTER, HYDROCHLORIDE [WHO-DD]ETHYL L-2-AMINO-3-MERCAPTOPROPIONATE HYDROCHLORIDERefChem:596169
Open full PubChem recordPubChem annotations3D structure image
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 868-59-7

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How CAS 868-59-7 is used on this site

CAS 868-59-7 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 868-59-7 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.