ETHYL CYSTEINATE HYDROCHLORIDE
UNII AM467TB2I1

Substance Identification & Data

This profile provides standardized clinical and technical data for Ethyl Cysteinate Hydrochloride, uniquely identified by the FDA Unique Ingredient Identifier (UNII) AM467TB2I1.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 868-59-7 and the RxNorm Concept ID (RxCUI) 236634. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code
AM467TB2I1
CAS Registry Number
868-59-7
RxNorm Concept ID

Detailed Substance Profile

Preferred Name
ETHYL CYSTEINATE HYDROCHLORIDE
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C5H11NO2S.ClH
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
JFKJWWJOCJHMGV-WCCKRBBISA-N
Line notation for describing the chemical structure and connectivity of atoms.
PubChem CID
Unique identification number in the NCBI database of chemical substances.
Substance Type
chemical
ISO 11238 classification category (e.g., Chemical, Polymer, Protein).
Ingredient Role
Cl.C([C@H](CS)N)(OCC)=O

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Ethyl Cysteinate Hydrochloride. Identifiers are organized into official regulatory terms, commercial trade names, and technical systematic synonyms used to ensure accurate identification across clinical pharmaceutical databases, regulatory filings, and electronic health records.

Common Names & Synonyms

CYSTEINE, ETHYL ESTER, HYDROCHLORIDE, L-
ETHYL L-2-AMINO-3-MERCAPTOPROPIONATE HYDROCHLORIDE
ETHYL L-CYSTEINE HYDROCHLORIDE [JAN]
L-CYSTEINE ETHYL ESTER, HYDROCHLORIDE [WHO-DD]
L-CYSTEINE, ETHYL ESTER, HYDROCHLORIDE
L-CYSTEINE, ETHYL ESTER, HYDROCHLORIDE (1:1)

Brand / Trade Names

CYSTANIN

Systematic Nomenclature

ETHYL CYSTEINATE HYDROCHLORIDE
ETHYL CYSTEINE HYDROCHLORIDE
ETHYL L-CYSTEINATE HYDROCHLORIDE
ETHYL L-CYSTEINE HYDROCHLORIDE
L-CYSTEINE ETHYL ESTER, HYDROCHLORIDE
L-CYSTEINE ETHYLESTER HYDROCHLORIDE

Technical Codes

NSC-117387