SP-338
UNII A3CXU48KKW

Substance Identification & Data

This profile provides standardized clinical and technical data for Sp-338, uniquely identified by the FDA Unique Ingredient Identifier (UNII) A3CXU48KKW.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 1092457-70-9 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
A3CXU48KKW
CAS Registry Number
1092457-70-9
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
SP-338
Official standardized name for this substance within the FDA UNII nomenclature system.
Substance Type
protein
ISO 11238 classification category (e.g., Chemical, Polymer, Protein).

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Sp-338. 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

SP-338

Systematic Nomenclature

L-CYSTEINE, L-ASPARAGINYL-L-.ALPHA.-ASPARTYL-L-.ALPHA.-GLUTAMYL-L-CYSTEINYL-LLYL-L-ALANYL-L-CYSTEINYL-L-THREONYLGLYCYL-, CYCLIC (4->12),(7->15)-BIS(DISULFIDE)-.ALPHA.-GLUTAMYL-L-LEUCYL-L-CYSTEINYL-L-VALYL-L-ASPARAGINYL-L-VA

External Clinical & Regulatory Resources

CAS
Common Chemistry
NCATS
Inxight Drugs
NLM
DailyMed Products
NCATS
GSRS Full Record