4-CPA
UNII 4EMM3U5P3K

Substance Identification & Data

This profile provides standardized clinical and technical data for 4-cpa, uniquely identified by the FDA Unique Ingredient Identifier (UNII) 4EMM3U5P3K.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 122-88-3 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
4EMM3U5P3K
CAS Registry Number
122-88-3
RxNorm Concept ID
N/A

Detailed Substance Profile

Preferred Name
4-CPA
Official standardized name for this substance within the FDA UNII nomenclature system.
InChIKey
C8H7ClO3
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
SODPIMGUZLOIPE-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
4-CPA
ISO 11238 classification category (e.g., Chemical, Polymer, Protein).
Ingredient Role
C(=O)(COc1ccc(cc1)Cl)O

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for 4-cpa. 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.

FDA Official Name

4-CPA

Common Names & Synonyms

(p-Chlorophenoxy)acetic acid
4-CHLOROPHENOXYACETIC ACID [HSDB]
4-CPA [ISO]

Brand / Trade Names

PCPA
Tomatone
Tomatotone
p-CPA

Systematic Nomenclature

(4-Chlorophenoxy)acetic acid
2-(4-Chlorophenoxy)acetic acid
2-(p-Chlorophenoxy)acetic acid
Acetic acid, (4-chlorophenoxy)-
Acetic acid, (p-chlorophenoxy)-
Acetic acid, 2-(4-chlorophenoxy)-

Technical Codes

BI-12
HP-55
NSC-8769
NSC-9213
P-10