(4,5-DIHYDROXYINDANYLIDENE)MALONONITRILE
UNII EM49ZH8UA5

Substance Identification & Data

This profile provides standardized clinical and technical data for (4,5-dihydroxyindanylidene)malononitrile, uniquely identified by the FDA Unique Ingredient Identifier (UNII) EM49ZH8UA5.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 133550-13-7 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

EM49ZH8UA5

CAS Registry Number

133550-13-7

RxNorm Concept ID

N/A

Detailed Substance Profile

Preferred Name

(4,5-DIHYDROXYINDANYLIDENE)MALONONITRILE

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

InChIKey

C12H8N2O2

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

QNMCUDUCYPYEQM-UHFFFAOYSA-N

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

PubChem CID

5328755

Unique identification number in the NCBI database of chemical substances.

Substance Type

(4,5-Dihydroxyindanylidene)malononitrile

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

Ingredient Role

C1Cc2c(ccc(c2O)O)C1=C(C#N)C#N

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for (4,5-dihydroxyindanylidene)malononitrile. 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.