3-Methylisoxazole-4-carbonyl chloride CAS 62348-18-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 62348-18-9 |
| Molecular Formula | C5H4ClNO2 |
| Molecular Weight | 145.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-Methylisoxazole-4-carbonyl chloride (CAS 62348-18-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C5H4ClNO2. Molecular weight: 145.54 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C5H4ClNO2 |
| Molecular Weight | 145.54 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1974 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Methylisoxazole Standards
- 4-Methylisoxazole-5-carbonyl chloride (CAS 1108713-21-8)
- 3-methylisoxazole-5-carbonyl chloride (CAS 49783-72-4)
- 5-Methylisoxazole-3-carbonyl chloride 5-methyl-isoxazole-3-carbonyl chloride 5-methyl-1,2-oxazole-3-carbonyl chloride 39499-34-8 (CAS 39499-34-8)
- 5-Methylisoxazole-3-carbothioamide (CAS 77358-26-0)
- 3-Methylisoxazole-5-carbohydrazide (CAS 89179-79-3)
- 5-Methylisoxazole-3-carbohydrazide (CAS 62438-03-3)
- Methyl 3-methylisoxazole-5-carboxylate (CAS 1004-96-2)
- 3-Methylisoxazole-4-acetic Acid (CAS 1008304-86-6)
Recommended Standards
- 3-(Chloromethyl)isoxazole-5-carbaldehyde (CAS 2375273-40-6)
- 2-Methyl-1,3-oxazole-4-carbonyl chloride (CAS 62348-22-5)
- 4-Chloropyridine-2,6-diol (CAS 62616-12-0)
- Pyridoxine-d2 HCl (CAS 5027-82-7)
- 2-(4-Aminophenyl)-3-((benzyl(methyl)amino)methyl)-7-(2,6-difluorobenzyl)-5-isobutyrylthieno[2,3-b]pyridin-4(7H)-one (CAS 174072-26-5)
- 3-Fluoro-4-iodoaniline (CAS 656-66-6)
- (2R,4S)-4-Fluoro-5-oxopyrrolidine-2-carboxamide (CAS 261623-76-1)
- N-(1-(3-methoxyphenyl)propan-2-yl)-2-methylpropan-1-amine (CAS 1310154-72-3)
- 1-(Tetrahydro-2H-thiopyran-2-yl)ethan-1-ol (CAS 1352515-46-8)
- Semaglutide impurity 227 (CAS CATO-C4X-2226227)
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 13829788188 / jacky.chen@cato-chem.com