TADALAFIL CATECHOL
UNII 15IBL77N0L

Substance Identification & Data

This profile provides standardized clinical and technical data for Tadalafil Catechol, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 15IBL77N0L.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 171489-03-5 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
15IBL77N0L
CAS Registry Number
171489-03-5
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
TADALAFIL CATECHOL
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C21H19N3O4
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
HZSPPSAESSMSNY-FOIQADDNSA-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
N12[C@H](c3cc(O)c(O)cc3)c4[nH]c5ccccc5c4C[C@]1([H])C(=O)N(C)CC2=O

Synonyms and Nomenclature

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

DESMETHYLENE TADALAFIL
IC711
TADALAFIL CATECHOL
TADALAFIL METABOLITE IC711

Systematic Nomenclature

PYRAZINO(1',2':1,6)PYRIDO(3,4-B)INDOLE-1,4-DIONE, 6-(3,4-DIHYDROXYPHENYL)-2,3,6,7,12,12A-HEXAHYDRO-2-METHYL-, (6R,12AR)-