HYDROQUININE
UNII 31J3Q51T6L

Substance Identification & Data

This profile provides standardized clinical and technical data for Hydroquinine, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 31J3Q51T6L.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 522-66-7 and the RxNorm Concept ID (RxCUI) 2468435. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code
31J3Q51T6L
CAS Registry Number
522-66-7
RxNorm Concept ID

Detailed Substance Profile

Preferred Name
HYDROQUININE
Official standardized name for this substance within the FDA UNII nomenclature system.
Molecular Formula
31J3Q51T6L
The specific atomic composition represented as a molecular structure string.
InChIKey
C20H26N2O2
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
LJOQGZACKSYWCH-WZBLMQSHSA-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
c1cc(cc2c1nccc2[C@@H](O)[C@@]3([H])[N@]4CC[C@H]([C@@H](CC)C4)C3)OC

Synonyms and Nomenclature

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

(-)-10,11-DIHYDROQUININE
(-)-HYDROQUININE
10,11-DIHYDROQUININE
CINCHONAN-9-OL, 10,11-DIHYDRO-6'-METHOXY-, (8.ALPHA.,9R)-
DIHYDROQUININE
DIHYDROQUININE [WHO-IP]
HYDROQUININE
HYDROQUININE [MI]
HYDROQUININE [WHO-DD]
QUINIDINE SULFATE IMPURITY C [WHO-IP]
QUININE BISULFATE HEPTAHYDRATE IMPURITY C [WHO-IP]
QUININE BISULFATE IMPURITY C [WHO-IP]
QUININE HYDROCHLORIDE IMPURITY C [EP IMPURITY]
QUININE SULFATE IMPURITY C [EP IMPURITY]

Systematic Nomenclature

(8.ALPHA.,9R)-10,11-DIHYDRO-6'-METHOXYCINCHONAN-9-OL
(R)-((2S,4S,5R)-5-ETHYL-1-AZABICYCLO(2.2.2)OCT-2-YL)(6-METHOXYQUINOLIN-4-YL)METHANOL [WHO-IP]

Technical Codes

NSC-41799

NDC Products Containing HYDROQUININE

This unique ingredient identifier is listed as an ingredient or substance in the following products in the NDC directory: