DIHYDROERGOTAMINE MESYLATE
UNII 81AXN7R2QT

Substance Identification & Data

This profile provides standardized clinical and technical data for Dihydroergotamine Mesylate, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 81AXN7R2QT.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 6190-39-2 and the RxNorm Concept ID (RxCUI) 203176. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code

81AXN7R2QT

CAS Registry Number

6190-39-2

RxNorm Concept ID

203176

Detailed Substance Profile

Preferred Name

DIHYDROERGOTAMINE MESYLATE

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

Molecular Formula

81AXN7R2QT

The specific atomic composition represented as a molecular structure string.

InChIKey

C33H37N5O5.CH4O3S

International Chemical Identifier digital signature for unique molecular identification.

SMILES String

ADYPXRFPBQGGAH-UMYZUSPBSA-N

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

NCI Thesaurus

C47491

National Cancer Institute reference terminology for clinical and research data.

PubChem CID

71171

Unique identification number in the NCBI database of chemical substances.

Substance Type

chemical

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

Ingredient Role

[C@]12(O)N(C(=O)[C@@](C)(O1)NC(=O)[C@@H]3C[C@]4([C@]([H])(N(C)C3)Cc5c6c(cccc46)[nH]c5)[H])[C@@H](Cc7ccccc7)C(=O)N8CCC[C@]82[H].S(=O)(=O)(O)C

Synonyms and Nomenclature

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