(R)-1-(3-Methoxyisothiazol-5-yl)ethan-1-ol CAS 1932046-96-2
| CAS No. | 1932046-96-2 |
| Molecular Formula | C6H9NO2S |
| Molecular Weight | 159.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
(R)-1-(3-Methoxyisothiazol-5-yl)ethan-1-ol (CAS 1932046-96-2) is a high-purity analytical reference standard with the molecular formula C6H9NO2S and a molecular weight of 159.21 g/mol.
Based on its molecular formula C6H9NO2S, (R)-1-(3-Methoxyisothiazol-5-yl)ethan-1-ol 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 159.21 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), (R)-1-(3-Methoxyisothiazol-5-yl)ethan-1-ol meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C6H9NO2S |
| Molecular Weight | 159.21 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | 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.) | 1996 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related R Standards
- (S)-1-(3-Methoxyisothiazol-5-yl)ethan-1-ol (CAS 1932795-33-9)
- 1-(3-Methoxyisothiazol-5-yl)ethan-1-amine (CAS 1935024-09-1)
- (3-Methoxyisothiazol-5-yl)methanol (CAS 100241-92-7)
- 3-(3-Methoxyisothiazol-5-yl)acrylic acid (CAS 1937211-73-8)
- 3-Methoxyisothiazol-4-amine hydrochloride (CAS 2089258-33-1)
- 3-Methoxyisothiazol-5-amine hydrochloride (CAS 2138563-00-3)
Recommended Standards
- 3-[(prop-2-yn-1-yl)amino]-1λ⁶-thietane-1,1-dione (CAS 1856283-24-3)
- (R)-N-(2-Oxotetrahydrothiophen-3-yl)acetamide (CAS 183072-09-5)
- ((1H-pyrazol-4-yl)imino)dimethyl-lambda6-sulfanone (CAS 2060005-10-7)
- (S)-N-(2-oxotetrahydrothiophen-3-yl)acetamide (CAS 17896-21-8)
- Prothioconazole Impurity 2 (CAS 856045-93-7)
- (S)-N-Benzyl-N-isobutylpyrrolidin-3-amine (CAS 820982-65-8)
- 2-(4-Bromo-2-chlorophenoxy)-1,3-difluoro-5-(trifluoromethyl)benzene (CAS 2244084-95-3)
- 1-(5-Ethoxypyrazin-2-yl)ethanamine (CAS 1956369-44-0)
- (4-Amino-5-(aminomethyl)-6-(difluoromethyl)pyridin-2-yl)methanol (CAS 1804721-76-3)
- 1,5-Dibromo-2,3-dichloro-4-iodobenzene (CAS 1160573-97-6)
- 3-Chloro-2-(2-(3,5-dimethyl-1H-pyrazol-1-yl)ethoxy)-5-(trifluoromethyl)pyridine (CAS 321574-15-6)
- N-Ethylpyridinium Bromide (CAS 1906-79-2)
- 2-(6-Bromo-3-(difluoromethyl)-5-fluoropyridin-2-yl)acetonitrile (CAS 1805397-82-3)
- Influenza PR8 Hemagglutinin Peptide (110-119) (H-6312.0005) (CAS 132031-50-6)
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