1-(4-Chlorophenyl)-1,2-propanedione 2-oxime CAS 56472-72-1
| CAS No. | 56472-72-1 |
| Molecular Formula | C9H8ClNO2 |
| Molecular Weight | 197.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 197.62 g/mol gives 1-(4-Chlorophenyl)-1,2-propanedione 2-oxime distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
1-(4-Chlorophenyl)-1,2-propanedione 2-oxime (CAS 56472-72-1), molecular formula C9H8ClNO2 and molecular weight 197.62 g/mol, is a CATO reference standard with documented purity and traceability.
1-(4-Chlorophenyl)-1,2-propanedione 2-oxime (C9H8ClNO2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. Halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 1-(4-Chlorophenyl)-1,2-propanedione 2-oxime 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 | C9H8ClNO2 |
| Molecular Weight | 197.62 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chlorophenyl Standards
- 3-(2-Chlorophenyl)-4,5-dihydroisoxazol-5-ol (CAS 112853-60-8)
- (R)-4-(4-Chlorophenyl)oxazolidin-2-one (CAS 1147391-02-3)
- 4-(2-Chlorophenyl)oxazolidin-2-one (CAS 1462373-09-6)
- 1-(3-Chlorophenyl)-1,2-propanedione 2-Oxime (CAS 56472-71-0)
- 3-(4-Chlorophenyl)oxazolidin-2-one (CAS 5198-49-2)
- 5-(4-Chlorophenyl)-4,5-dihydroisoxazol-5-ol (CAS 53009-36-2)
- 5-(4-Chlorophenyl)oxazolidin-2-one (CAS 69776-87-0)
- N-(4-chlorophenyl)-2-oxopropanamide (CAS 52181-18-7)
Recommended Standards
- 1-(3-Chloropyrazin-2-yl)pyrrolidin-2-one (CAS 720692-53-5)
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- 1-(6-Chloropyridin-3-yl)cyclopropanecarboxylic acid (CAS 854267-90-6)
- 1-(2-chloropyridin-4-yl)butane-1,3-dione (CAS 250263-37-7)
- (4-(1,3-Dioxolan-2-yl)phenyl)(cyclopropyl)methanone (CAS 898760-84-4)
- Nimesulide Impurity 8 (CAS 2216-12-8)
- 3-Hydroxy-2,3-dimethylbutan-2-yl hydrogen (4-(3-methylpiperidin-1-yl)thiophen-2-yl)boronate (CAS 2223003-62-9)
- Citalopram EP Impurity F (CAS 64169-39-7)
- (2R)-3-Phenyl-1,2-propanediamine (CAS 85612-59-5)
- (2s)-2-({[(9h-fluoren-9-yl)methoxy]carbonyl}amino)-2-[3-(trifluoromethyl)bicyclo[1.1.1]pentan-1-yl]acetic acid (CAS 914082-67-0)
- 1,3-Benzothiazol-6-amine hydrochloride (CAS 854067-23-5)
- (9H-fluorene-9,9-diyl)dimethanol 4425-93-8 9H-Fluorene-9,9-dimethanol (CAS 4425-93-8)
- (S,Z)-3-(4-(2-(5-Methyl-2-phenyloxazol-4-yl)ethoxy)phenyl)-2-((4-oxo-4-phenylbut-2-en-2-yl)amino)propanoic acid (CAS 258345-41-4)
- Copper Peptide ·2 acetate salt (CAS 130120-57-9)
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