TADALAFIL KETOLACTAM
UNII 83Z1ZC7LN1

Substance Identification & Data

This profile provides standardized clinical and technical data for Tadalafil Ketolactam, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 83Z1ZC7LN1.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 1346605-38-6 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
83Z1ZC7LN1
CAS Registry Number
1346605-38-6
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
TADALAFIL KETOLACTAM
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C22H19N3O6
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
BBMXALYUYHSADD-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](C(Nc3ccccc3C(C[C@@]1(C(=O)N(CC2=O)C)[H])=O)=O)c4cc5OCOc5cc4

Synonyms and Nomenclature

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

6-(1,3-BENZODIOXOL-5-YL)-2-METHYL-2,3,14,14A-TETRAHYDROPYRAZINO(1,2-D)(1,4)BENZODIAZONINE-1,4,7,13(6H,8H)-TETRONE, (6R,14AR)-
TADALAFIL IMPURITY H [EP IMPURITY]
TADALAFIL KETOLACTAM

Systematic Nomenclature

(6R,14AR)-6-(1,3-BENZODIOXOL-5-YL)-2-METHYL-2,3,14,14A-TETRAHYDROPYRAZINO(1,2-D)(1,4)BENZODIAZONINE-1,4,7,13(6H,8H)-TETRONE
PYRAZINO(1,2-D)(1,4)BENZODIAZONINE-1,4,7,13(6H,8H)-TETRONE, 6-(1,3-BENZODIOXOL-5-YL)-2,3,14,14A-TETRAHYDRO-2-METHYL-, (6R,14AR)-