5-hydroxy-2,3-dihydro-1,3-benzothiazol-2-one CAS 115045-83-5
| CAS No. | 115045-83-5 |
| Molecular Formula | C7H11NO2S |
| Molecular Weight | 173.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 5-hydroxy-2,3-dihydro-1,3-benzothiazol-2-one 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.
5-hydroxy-2,3-dihydro-1,3-benzothiazol-2-one (CAS 115045-83-5) is a high-purity analytical reference standard with the molecular formula C7H11NO2S and a molecular weight of 173.23 g/mol.
Based on its molecular formula C7H11NO2S, 5-hydroxy-2,3-dihydro-1,3-benzothiazol-2-one contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 173.23 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C7H11NO2S |
| Molecular Weight | 173.23 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related hydroxy Standards
- 4-Hydroxy-2,2,6,6-tetramethylpiperidine-1-15N-oxyl 4-Hydroxy-TEMPO-15N 79494-16-9 TEMPOL-15N (CAS 79494-16-9)
- n'-Hydroxy-2-(4-hydroxypiperidin-1-yl)ethanimidamide (CAS 1017020-71-1)
- Methyl (3-hydroxy-3-methylpent-4-en-1-yl)carbamate (CAS 116699-61-7)
- (E)-3-(4-Hydroxy-3,5-dimethylphenyl)acrylonitrile (CAS 1234662-01-1)
- Methyl 2-hydroxy-2-(piperidin-3-yl)acetate (CAS 1258651-30-7)
- 5-Hydroxy-5,6,7,8-tetrahydronaphthalene-2-carbonitrile (CAS 1315479-99-2)
- methyl 4-hydroxy-4-methylpiperidine-1-carboxylate (CAS 1534779-33-3)
- (2S)-1-Hydroxy-4,5,5-trimethylpyrrolidine-2-carboxylic acid (CAS 61856-89-1)
Recommended Standards
- 4-prop-2-ynyl-thiomorpholine 1,1-dioxide (CAS 10442-03-2)
- Methyl N-(thioxomethylene)norvalinate (CAS 1177284-96-6)
- pyrrolo[2,1-b]thiazole-7-carboxylic acid (CAS 1038509-46-4)
- Methyl 3-methyl-2-thiocyanatobutanoate (CAS 119016-03-4)
- 2,5-Dibromohexane (CAS 24774-58-1)
- 4-(1-(Tetrahydro-2H-pyran-4-yl)-1H-pyrazol-5-yl)piperidine (CAS 1708337-37-4)
- 2-Amino-1-(2-((isopropyl(methyl)amino)methyl)pyrrolidin-1-yl)ethanone (CAS 1353970-26-9)
- 1-(Bromomethyl)-4-(tert-butyl)-1-propoxycyclohexane (CAS 1342679-19-9)
- 3,5-Dichloro-2-fluoro-4-iodopyridine (CAS 406676-24-2)
- 3-Cyano Gimeracil Methyl Ether (CAS 147619-40-7)
- 3-Benzyl-1-ethylpiperazine (CAS 1248907-73-4)
- Atrasentan Impurity 118 (CAS 1059759-94-2)
- 3-((4,6-Dimethylpyrimidin-2-yl)amino)phenol (CAS 81261-83-8)
- Semaglutide impurity 229 (CAS CATO-C4X-2226229)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com