DESMETHYLMIRTAZAPINE
UNII U20K575142

Substance Identification & Data

This profile provides standardized clinical and technical data for Desmethylmirtazapine, uniquely identified by the FDA Unique Ingredient Identifier (UNII) U20K575142.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 61337-68-6 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
U20K575142
CAS Registry Number
61337-68-6
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
DESMETHYLMIRTAZAPINE
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C16H17N3
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
FGLAMNFOHWVQOH-UHFFFAOYSA-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
N12C(c3c(cccc3)Cc4c1nccc4)CNCC2

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Desmethylmirtazapine. 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

DEMETHYLMIRTAZAPINE
DESMETHYL MIRTAZAPINE
DESMETHYLMIRTAZAPINE
MIRTAZAPINE IMPURITY D [EP IMPURITY]
MIRTAZAPINE RELATED COMPOUND A [USP-RS]
N-DEMETHYLMIRTAZAPINE
N-DESMETHYLMIRTAZAPINE
NORMIRTAZAPINE

Systematic Nomenclature

1,2,3,4,10,14B-HEXAHYDROPYRAZINO(2,1-A)PYRIDO(2,3-C)(2)BENZAZEPINE
PYRAZINO(2,1-A)PYRIDO(2,3-C)(2)BENZAZEPINE, 1,2,3,4,10,14B-HEXAHYDRO-

Technical Codes

J1.061.658A
ORG-3838