ethyl (Z)-4-chloro-2-(methoxyimino)-3-oxobutanoate CAS 66340-88-3
Purity >90%In StockPharmaceutical Standards
| CAS No. | 66340-88-3 |
| Molecular Formula | C7H10ClNO4 |
| Molecular Weight | 207.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
ethyl (Z)-4-chloro-2-(methoxyimino)-3-oxobutanoate (CAS 66340-88-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H10ClNO4. Molecular weight: 207.61 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H10ClNO4 |
| Molecular Weight | 207.61 g/mol |
| Appearance | White to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | >90% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1975 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Recommended Standards
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