5-(Chloromethyl)isoxazol-3(2H)-one CAS 2682-41-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2682-41-9 |
| Molecular Formula | C4H4ClNO2 |
| Molecular Weight | 133.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-(Chloromethyl)isoxazol-3(2H)-one (CAS 2682-41-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C4H4ClNO2. Molecular weight: 133.53 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C4H4ClNO2 |
| Molecular Weight | 133.53 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.) | 1957 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chloromethyl Standards
- 5-(Chloromethyl)-1,3,4-oxadiazol-2-amine (CAS 1277183-21-7)
- (R)-5-(Chloromethyl)pyrrolidin-2-one (CAS 138541-53-4)
- (S)-5-(Chloromethyl)pyrrolidin-2-one (CAS 72479-04-0)
- 1-(Chloromethyl)pyrrolidin-2-one (CAS 31282-95-8)
- 5-(Chloromethyl)-3-methyl-4,5-dihydroisoxazole (CAS 69578-12-7)
- 53598-88-2 (+/-)-4-(Chloromethyl)-4-methylazetidin-2-one MFCD19232808 (CAS 53598-88-2)
- 3-(Chloromethyl)isothiazole (CAS 1246549-42-7)
- 5-(Chloromethyl)isothiazole (CAS 1710-68-5)
Recommended Standards
- 4-Chloro-5-methylisoxazol-3(2H)-one (CAS 31554-94-6)
- N-Chlorosuccinimide (CAS 128-09-6)
- (2-Chlorooxazol-4-yl)methanol (CAS 706789-06-2)
- 2-Amino-N'-(propan-2-ylidene)benzohydrazide (CAS 53131-21-8)
- 4-Methoxyphenyl 2-3-4-6-tetra-O-benzyl-β-D-galactopyranoside (CAS 143536-99-6)
- 4-(3-Phenylpropyl)pyridin-2-amine (CAS 84824-94-2)
- Nintedanib Impurity 169 (CAS CATO-C4X-1814169)
- (3-(5-Fluoropyridin-2-yl)phenyl)methanol (CAS 1349716-24-0)
- 5-methyl-1-phenyl-1H-pyrazol-3-amine (CAS 85485-59-2)
- Des-Ile27-Tirzepatide (CAS CATO-CPTD788946)
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 13829788188 / jacky.chen@cato-chem.com