AP-521 FREE BASE
UNII PP22EB9LAB

Substance Identification & Data

This profile provides standardized clinical and technical data for Ap-521 Free Base, uniquely identified by the FDA Unique Ingredient Identifier (UNII) PP22EB9LAB.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 151227-58-6 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

PP22EB9LAB

CAS Registry Number

151227-58-6

RxNorm Concept ID

N/A

Detailed Substance Profile

Preferred Name

AP-521 FREE BASE

Official standardized name for this substance within the FDA UNII nomenclature system.

InChIKey

C20H18N2O3S

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

LJJLQEVGMKLKNY-OAHLLOKOSA-N

Line notation for describing the chemical structure and connectivity of atoms.

PubChem CID

9887402

Unique identification number in the NCBI database of chemical substances.

Substance Type

chemical

ISO 11238 classification category (e.g., Chemical, Polymer, Protein).

Ingredient Role

O=C(NCc1ccc2c(c1)OCO2)[C@@H]3NCc4c(C3)c5c(s4)cccc5

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Ap-521 Free Base. 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.