THYMOL BLUE
UNII 8YB4804L4M

Substance Identification & Data

This profile provides standardized clinical and technical data for Thymol Blue, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 8YB4804L4M.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 76-61-9 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
8YB4804L4M
CAS Registry Number
76-61-9
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
THYMOL BLUE
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C27H30O5S
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
PRZSXZWFJHEZBJ-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
c1cc2S(OC(c2cc1)(c3c(cc(c(c3)C(C)C)O)C)c4cc(c(cc4C)O)C(C)C)(=O)=O

Synonyms and Nomenclature

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

4,4'-(3H-2,1-BENZOXATHIOL-3-YLIDENE)BIS(5-METHYL-2-(1-METHYLETHYL)PHENOL) S,S-DIOXIDE
THYMOL BLUE
THYMOL BLUE [MI]
THYMOLSULFONEPHTHALEIN
THYMOLSULFOPHTHALEIN

Systematic Nomenclature

PHENOL, 4,4'-(1,1-DIOXIDO-3H-2,1-BENZOXATHIOL-3-YLIDENE)BIS(5-METHYL-2-(1-METHYLETHYL)-
PHENOL, 4,4'-(3H-2,1-BENZOXATHIOL-3-YLIDENE)BIS(5-METHYL-2-(1-METHYLETHYL)-, S,S-DIOXIDE

Technical Codes

NSC-11238