5-((Isopropylthio)methyl)isoxazol-3(2H)-one CAS 89660-65-1
| CAS No. | 89660-65-1 |
| Molecular Formula | C7H11NO2S |
| Molecular Weight | 173.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 5-((Isopropylthio)methyl)isoxazol-3(2H)-one is closely related to an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
5-((Isopropylthio)methyl)isoxazol-3(2H)-one (CAS 89660-65-1), molecular formula C7H11NO2S and molecular weight 173.23 g/mol, is a CATO reference standard with documented purity and traceability.
5-((Isopropylthio)methyl)isoxazol-3(2H)-one (C7H11NO2S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; 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.
As a certified reference material (CRM), 5-((Isopropylthio)methyl)isoxazol-3(2H)-one 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 | 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.) | 1982 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Isopropylthio Standards
- 3-((Isopropylthio)methyl)piperidine (CAS 1247698-24-3)
- 4-((Isopropylthio)methyl)piperidine (CAS 1249752-33-7)
- 2-((Isopropylthio)methyl)piperidine (CAS 1251276-29-5)
- 2-(Isopropylthio)cyclohexan-1-ol (CAS 1183142-67-7)
- 1-((Isopropylthio)methyl)cyclopentan-1-ol (CAS 1495709-62-0)
- 3-(Isopropylthio)-1,2,4-thiadiazol-5-amine (CAS 10572-75-5)
- 5-(isopropylthio)-1,3,4-thiadiazol-2-amine (CAS 30062-47-6)
- 4-(Isopropylthio)-1,3,5-triazin-2-amine (CAS 1415719-22-0)
Recommended Standards
- 4-Cyanobutyl 4-Fluorobutyl Ether (CAS 463-31-0)
- 5-((Propylthio)methyl)isoxazol-3(2H)-one (CAS 89660-64-0)
- 3-Methylbenzo[b]thiophene-2-carbonitrile (CAS 3216-49-7)
- 6-fluoro-5-methoxy-1H-indole (CAS 63762-83-4)
- 5-Bromo-2-((4-chlorobenzyl)oxy)benzoic acid (CAS 62176-36-7)
- (3-(4-Fluorophenyl)-4-(2-(methylthio)pyrimidin-4-yl)isoxazol-5-yl)methanol (CAS 673451-64-4)
- (2-Chloro-5-fluorobenzyl)hydrazine Dihydrochloride (CAS 2044707-25-5)
- 3-Hydroxy-4-methylbenzohydrazide (CAS 39635-23-9)
- (E)-N-(((2,4-dichlorobenzyl)oxy)carbamoyl)-N'-methoxyformimidamide (CAS 338395-17-8)
- Benzylhydrochlorothiazide (CAS 1824-50-6)
- 2-Ethyl-1-(piperazin-1-yl)hexan-1-one (CAS 1038968-97-6)
- Rel-(1R,8aS)-1-(4-chlorophenyl)hexahydro-3H-oxazolo[3,4-a]pyridin-3-imine hydrobromide (CAS 5583-02-8)
- 4-Cyclopropyl-2-fluorophenol (CAS 1544937-92-9)
- Fragment-[7-31]-Liraglutide (CAS CATO-C4X-199239)
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