CHLOROPHENOL RED
UNII P3S5KH33EA

Substance Identification & Data

This profile provides standardized clinical and technical data for Chlorophenol Red, uniquely identified by the FDA Unique Ingredient Identifier (UNII) P3S5KH33EA.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 4430-20-0 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
P3S5KH33EA
CAS Registry Number
4430-20-0
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
CHLOROPHENOL RED
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C19H12Cl2O5S
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
WWAABJGNHFGXSJ-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(c2c(cccc2)S(O1)(=O)=O)(c3cc(c(O)cc3)Cl)c4cc(c(O)cc4)Cl

Synonyms and Nomenclature

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

CHLOROPHENOL RED
CHLORPHENOLSULFONPHTHALEIN
DICHLOROPHENOLSULFONEPHTHALEIN

Systematic Nomenclature

2-CHLORO-4-(3-(3-CHLORO-4-HYDROXY-PHENYL)-1,1-DIOXO-BENZO(C)OXATHIOL-3-YL)PHENOL
3,3-BIS(3-CHLORO-4-HYDROXYPHENYL)-3H-2,1.LAMBDA.6-BENZOXATHIOLE-1,1-DIONE
4,4'-(1,1-DIOXIDO-3H-2,1-BENZOXATHIOL-3-YLIDENE)BIS(2-CHLOROPHENOL)
PHENOL, 4,4'-(1,1-DIOXIDO-3H-2,1-BENZOXATHIOL-3-YLIDENE)BIS(2-CHLORO-
PHENOL, 4,4'-(3H-2,1-BENZOXATHIOL-3-YLIDENE)BIS(2-CHLORO-, S,S-DIOXIDE

Technical Codes

NSC-7828