METHYLCHLOROISOTHIAZOLINONE
UNII DEL7T5QRPN

Substance Identification & Data

This profile provides standardized clinical and technical data for Methylchloroisothiazolinone, uniquely identified by the FDA Unique Ingredient Identifier (UNII) DEL7T5QRPN.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 26172-55-4 and the RxNorm Concept ID (RxCUI) 1367119. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code
DEL7T5QRPN
CAS Registry Number
26172-55-4
RxNorm Concept ID

Detailed Substance Profile

Preferred Name
METHYLCHLOROISOTHIAZOLINONE
Official standardized name for this substance within the FDA UNII nomenclature system.
Molecular Formula
DEL7T5QRPN
The specific atomic composition represented as a molecular structure string.
InChIKey
C4H4ClNOS
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
DHNRXBZYEKSXIM-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
c1c(n(C)sc1Cl)=O

Synonyms and Nomenclature

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

METHYLCHLOROISOTHIAZOLINONE

Common Names & Synonyms

5-CHLOR-2-METHYL-4-ISOTHIAZOLIN-3-ONE
METHYLCHLOROISOTHIAZOLINONE [II]
METHYLCHLOROISOTHIAZOLINONE [MART.]
METHYLCHLOROISOTHIAZOLINONE [MI]
METHYLCHLOROISOTHIAZOLINONE [VANDF]
METHYLCHLOROISOTHIAZOLINONE [WHO-DD]

Brand / Trade Names

NEOLONE 950

Systematic Nomenclature

2-METHYL-5-CHLORO-3-ISOTHIAZOLONE
2-METHYL-5-CHLOROISOTHIAZOLIN-3-ONE
3(2H)-ISOTHIAZOLONE, 5-CHLORO-2-METHYL-
4-ISOTHIAZOLIN-3-ONE, 5-CHLORO-2-METHYL-
5-CHLORO-2-METHYL-2H-ISOTHIAZOL-3-ONE
5-CHLORO-2-METHYL-3(2H)-ISOTHIAZOLINONE
5-CHLORO-2-METHYL-3(2H)-ISOTHIAZOLONE
5-CHLORO-2-METHYL-3-ISOTHIAZOLONE
5-CHLORO-2-METHYL-4-ISOTHIAZOLIN-3-ONE
5-CHLORO-2-METHYL-ISOTHIAZOL-3-ONE
5-CHLORO-2-METHYLISOTHIAZOLIN-3-ONE
5-CHLORO-N-METHYLISOTHIAZOLIN-3-ONE
5-CHLORO-N-METHYLISOTHIAZOLONE
N-METHYL-5-CHLOROISOTHIAZOLIN-3-ONE
N-METHYL-5-CHLOROISOTHIAZOLONE

Technical Codes

A 33
A-33
HS 818
HS-818

NDC Products Containing METHYLCHLOROISOTHIAZOLINONE

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