5-((tert-Butylthio)methyl)-4-chloroisoxazol-3(2H)-one CAS 89660-96-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 89660-96-8 |
| Molecular Formula | C8H12ClNO2S |
| Molecular Weight | 221.70 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-((tert-Butylthio)methyl)-4-chloroisoxazol-3(2H)-one (CAS 89660-96-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H12ClNO2S. Molecular weight: 221.70 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H12ClNO2S |
| Molecular Weight | 221.70 g/mol |
| Purity | 97%+ |
| 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 | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1982 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related tert Standards
- 5-((Butylthio)methyl)-4-chloroisoxazol-3(2H)-one (CAS 89660-95-7)
- 3-(Butylthio)-5-(difluoromethyl)-4h-1,2,4-triazol-4-amine (CAS 886496-06-6)
- 2-(Butylthio)-1-(m-tolyl)ethan-1-one (CAS 1157151-10-4)
- 2-(Butylthio)-1-phenylpropan-1-one (CAS 1157152-81-2)
- 1-(Sec-butylthio)-3-phenylpropan-2-one (CAS 1157222-08-6)
- 1-(Tert-butylthio)-3-phenylpropan-2-one (CAS 1157222-21-3)
- 2-(Butylthio)-1-(p-tolyl)ethan-1-one (CAS 1157302-44-7)
- 1-(Butylthio)-3-phenylpropan-2-one (CAS 1157305-70-8)
Recommended Standards
- 7-chlorothieno[3,2-b]pyridine-2-carboxylic acid (CAS 596793-57-6)
- 4-chlorothieno[3,2-c]pyridine-7-carboxylic acid (CAS 55040-48-7)
- 7-chlorothieno[3,2-b]pyridine-6-carboxylic acid (CAS 90690-94-1)
- N-(tert-Butyl)-3-methylbutan-1-amine (CAS 41781-27-5)
- 4-Nitro-1H-pyrazole-3-carbonitrile (CAS 61241-07-4)
- 4-Chloro-2-fluorobenzenesulfonamide (CAS 852664-20-1)
- 4-(Bromomethyl)-2,6-difluoropyridine (CAS 1006302-13-1)
- N-Benzoyl-L-tyrosyl-L-alanine-1-13C (CAS 851429-73-7)
- CP-101537 (CAS 134575-17-0)
- Serpent Peptide 2AcOH (CAS 823202-99-9(free base))
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