S-METHYL PHOSPHOCYSTEINE
UNII R021QK26O0

Substance Identification & Data

This profile provides standardized clinical and technical data for S-methyl Phosphocysteine, uniquely identified by the FDA Unique Ingredient Identifier (UNII) R021QK26O0.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 152269-49-3 and the RxNorm Concept ID (RxCUI) N/A. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code
R021QK26O0
CAS Registry Number
152269-49-3
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
S-METHYL PHOSPHOCYSTEINE
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C4H10NO5PS
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
IIALWEPLPCANHU-VKHMYHEASA-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
N[C@@H](CSCP(O)(O)=O)C(O)=O

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for S-methyl Phosphocysteine. 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.

Systematic Nomenclature

(2R)-2-AMINO-3-((PHOSPHONOMETHYL)SULFANYL)PROPANOIC ACID
2-AMINO-3-((PHOSPHONOMETHYL)THIO)PROPIONIC ACID
L-CYSTEINE, S-(PHOSPHONOMETHYL)-
S-(PHOSPHONOMETHYL)-L-CYSTEINE
S-METHYL PHOSPHOCYSTEINE