2-Methyl-4-isothiazolin-3-one hydrochloride CAS 26172-54-3
| CAS No. | 26172-54-3 |
| Molecular Formula | C4H5NOS |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The molecular framework of 2-Methyl-4-isothiazolin-3-one hydrochloride (C4H5NOSHCl) is characterized by an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO supplies 2-Methyl-4-isothiazolin-3-one hydrochloride (CAS 26172-54-3), a certified reference material (molecular formula C4H5NOSHCl, MW 151.61 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 2-Methyl-4-isothiazolin-3-one hydrochloride under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C4H5NOS HCl |
| Molecular Weight | 151.61 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1964 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Methyl Standards
Recommended Standards
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- 4-CYCLOHEXYLPIPERIDINE HYDROCHLORIDE (CAS 60601-62-9)
- (2-(Isopropylthio)-5-(trifluoromethyl)pyridin-3-yl)boronic acid (CAS 1256345-52-4)
- 2-(Difluoromethyl)-5-nitro-4-(trifluoromethoxy)pyridine-3-sulfonamide (CAS 1805082-23-8)
- 1-(2-((4-Fluorophenyl)amino)-4-methylthiazol-5-yl)ethan-1-one (CAS 952183-69-6)
- [3-(ethylsulfamoyl)phenyl]boronic acid (CAS 871329-76-9)
- 4-(4-Chlorophenyl)-1-(phenylsulfonyl)-1,2,3,6-tetrahydropyridine (CAS 866152-50-3)
- ethyl 6-isopropyl-4-oxo-chromene-2-carboxylate (CAS 2530127-64-9)
- Semaglutide impurity 80 (CAS CATO-C4X-222680)
Why CATO?
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