2-Chloro-2-dioxene CAS 57253-40-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 57253-40-4 |
| Molecular Formula | C4H5ClO2 |
| Molecular Weight | 120.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2-Chloro-2-dioxene (CAS 57253-40-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C4H5ClO2. Molecular weight: 120.53 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C4H5ClO2 |
| Molecular Weight | 120.53 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1973 |
| Halogen Content | Cl-containing |
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Recommended Standards
- 1-Chlorobutane-2,3-dione (CAS 5559-62-6)
- 2-Chlorobut-3-enoic acid (CAS 24253-33-6)
- (E)-4-chlorobut-2-enoic acid (CAS 26340-58-9)
- 5-Iodoquinolin-6-ol (CAS 388616-54-4)
- Methyl 2-(3-(2-(2-(2-nitrophenoxy)acetyl)hydrazono)-2-oxoindolin-1-yl)acetate (CAS 496774-62-0)
- 2-Amino-5-phenylfuran-3-carboxylic acid (CAS 773108-73-9)
- 2-(p-Tolyl)-6-(trifluoromethyl)-4,5-dihydropyridazin-3(2H)-one (CAS 1161004-75-6)
- 3-Amino-1-(difluoromethyl)cyclobutan-1-ol (CAS 1423034-51-8)
- Buturol-tert-butyl-d<SUB>9</SUB> hydrochloride (CAS 1173023-51-2)
- Semaglutide impurity 34 (CAS CATO-C4X-222634)
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