3-methylisoxazole-5-carbonyl chloride CAS 49783-72-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 49783-72-4 |
| Molecular Formula | C5H4ClNO2 |
| Molecular Weight | 145.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 3-methylisoxazole-5-carbonyl chloride (CAS 49783-72-4) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C5H4ClNO2. Molecular weight: 145.54 g/mol. COA included with every batch.
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.) | 1971 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related methylisoxazole Standards
- 4-Methylisoxazole-5-carbonyl chloride (CAS 1108713-21-8)
- 3-Methylisoxazole-4-carbonyl chloride (CAS 62348-18-9)
- 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
- 4-Chloropyridine-2,6-diol (CAS 62616-12-0)
- 3-(Chloromethyl)isoxazole-5-carbaldehyde (CAS 2375273-40-6)
- 4-Chloropyrrole-2-carboxylic Acid (CAS 27746-03-8)
- 6,7-Bis(4-methoxyphenyl)-2-sulfanylpteridin-4-ol (CAS 203307-62-4)
- 2-(5,6,7,8-tetrahydro-N-Hydrazinocarbonylmethyl-naphthalen-2-yloxy)-acetamide (CAS 443294-22-2)
- (4-Chloro-3-(trifluoromethoxy)phenyl)(methyl)sulfane (CAS 2386293-95-2)
- 2-Amino-5-fluoro-N-isopropylbenzamide (CAS 1094290-34-2)
- Ethyl 2-(1-hydroxy-4-isopropylcyclohexyl)acetate (CAS 1343861-83-5)
- 2-(2-Amino-4-(3-chloro-4-methoxyphenyl)thiazol-5-yl)acetic acid (CAS 1225788-45-3)
- Insulin Detemir (CAS 169148-63-4)
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