O-TOLIDINE DIHYDROCHLORIDE
UNII 5MSK350KD8

Substance Identification & Data

This profile provides standardized clinical and technical data for O-tolidine Dihydrochloride, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 5MSK350KD8.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 612-82-8 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
5MSK350KD8
CAS Registry Number
612-82-8
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
O-TOLIDINE DIHYDROCHLORIDE
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C14H16N2.2ClH
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
LUKPNZHXJRJBAN-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
c1(cc(c(N)cc1)C)-c2cc(c(N)cc2)C.Cl.Cl

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for O-tolidine Dihydrochloride. 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

(1,1'-BIPHENYL)-4,4'-DIAMINE, 3,3'-DIMETHYL-, DIHYDROCHLORIDE
BENZIDINE, 3,3'-DIMETHYL-, DIHYDROCHLORIDE
O-TOLIDINE DIHYDROCHLORIDE
O-TOLIDINE DIHYDROCHLORIDE [MI]

Systematic Nomenclature

(1,1'-BIPHENYL)-4,4'-DIAMINE, 3,3'-DIMETHYL-, HYDROCHLORIDE (1:2)
3,3'-DIMETHYLBENZIDINE DIHYDROCHLORIDE

Technical Codes

NSC-11223