4-Methyl-2(3H)-benzothiazolone CAS 73443-84-2
| CAS No. | 73443-84-2 |
| Molecular Formula | C8H7NOS |
| Molecular Weight | 165.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 165.21 g/mol gives 4-Methyl-2(3H)-benzothiazolone distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 4-Methyl-2(3H)-benzothiazolone (CAS 73443-84-2), a certified reference material (molecular formula C8H7NOS, MW 165.21 g/mol) for analytical method development and quality control.
4-Methyl-2(3H)-benzothiazolone (C8H7NOS) contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 4-Methyl-2(3H)-benzothiazolone 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 | C8H7NOS |
| Molecular Weight | 165.21 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Recommended Standards
- 4-Methoxy-1,2-thiazinane 1,1-dioxide (CAS 291514-18-6)
- 4-Methylbenzo[d]oxazole-2-thiol (CAS 93794-44-6)
- 4-Methoxy-1,2-benzisothiazole (CAS 35272-30-1)
- 5-Fluoro-1,2,3,4-tetrahydronaphthalen-1-amine (CAS 907973-43-7)
- 2-(difluoromethyl)morpholine (CAS 1242465-34-4)
- Al(III) Phthalocyanine chloride disulfonic acid (CAS 1451075-54-9)
- PBD dimer (CAS 1222490-34-7)
- 4-Methoxybicyclo[2.1.1]Hexane-1-carboxylic acid (CAS 2090762-99-3)
- Nicergoline Impurity 17 (CAS CATO-C4X-208517)
- 1-(4-(4-Bromobenzoyl)piperazin-1-yl)propan-1-one (CAS 1311756-76-9)
- methyl 4-oxo-3-[(oxolan-2-yl)methyl]-2-sulfanyl-3,4-dihydroquinazoline-7-carboxylate (CAS 422526-41-8)
- (2E)-3-[5-Chloro-1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl]-1-(2-chloro-4-methylquinolin-3-yl)prop-2-en-1-one (CAS 400074-47-7)
- 4-(2-Fluorophenyl)-5-(methylsulfonyl)thiazol-2-amine (CAS 1708179-32-1)
- Peptide 438 (CAS CATO-CPTD788438)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com