5-(1-Chloroethyl)-3-methylisoxazole CAS 63820-94-0
| CAS No. | 63820-94-0 |
| Molecular Formula | C6H8ClNO |
| Molecular Weight | 145.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 145.59 g/mol gives 5-(1-Chloroethyl)-3-methylisoxazole distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5-(1-Chloroethyl)-3-methylisoxazole (CAS 63820-94-0) is a high-purity analytical reference standard with the molecular formula C6H8ClNO and a molecular weight of 145.59 g/mol.
Structurally, 5-(1-Chloroethyl)-3-methylisoxazole (C6H8ClNO) contains an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 145.59 g/mol, it falls into the low-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 5-(1-Chloroethyl)-3-methylisoxazole 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.
Physical & Chemical Properties
| Molecular Formula | C6H8ClNO |
| Molecular Weight | 145.59 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 |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1975 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chloroethyl Standards
- 4-(2-Chloroethyl)-1-methyl-1h-1,2,3-triazole (CAS 1251354-15-0)
- 3-(2-Chloroethyl)-5-methyl-1,2-oxazole (CAS 14775-98-5)
- 5-(2-Chloroethyl)-3-methylisoxazole (CAS 1849266-56-3)
- 3-(1-chloroethyl)-5-methyl-1,2,4-oxadiazole (CAS 1595727-51-7)
- 1-(2-Chloroethyl)-1H-imidazol-2-ol (CAS 938459-07-5)
- 2-(1-chloroethyl)-5-methyl-1,3,4-oxadiazole (CAS 926207-51-4)
- 3-(2-chloroethyl)-5-methyl-1,2,4-oxadiazole (CAS 71088-13-6)
- 5-(1-Chloroethyl)-3-methyl-1,2,4-oxadiazole (CAS 79867-19-9)
Recommended Standards
- 4-Chlorotetrahydro-2H-pyran-4-carbonitrile (CAS 99338-30-4)
- 5-(Chloromethyl)-1,3-dimethyl-1H-1,2,4-triazole (CAS 84804-69-3)
- 4-chloropyrimidine-2-carbonitrile (CAS 898044-48-9)
- 5-(Chloromethyl)-1-ethyl-1H-1,2,4-triazole (CAS 252750-52-0)
- 3-(4-Methylbenzyl)quinazolin-4(3H)-one (CAS 141305-94-4)
- 2-(3-Amino-4-methylphenyl)acetic acid (CAS 54941-46-7)
- (3-Methyl-4-nitrophenyl)(trifluoromethyl)sulfane (CAS 933673-25-7)
- Bis(acetonitrile)tetracarbonyltungsten(0) (CAS 16800-45-6)
- 3-Chloro-6-(5-methylthiophen-2-yl)pyridazine (CAS 1105194-98-6)
- 3-(4-Bromobenzyl)-7-chloroquinazolin-4(3H)-one (CAS 302913-21-9)
- 1-(2-Methyl-4-nitrophenyl)thiourea (CAS 861557-45-1)
- TX-1918 (CAS 503473-32-3)
- N-(2-(3-(((2-methoxyethyl)amino)(phenyl)methyl)-2-oxopyrrolidin-1-yl)ethyl)acetamide (CAS 1246653-52-0)
- Insulin Degludec Impurity 17 (CAS CATO-C4X-215717)
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