(5E)-5-[(2,4-Dichlorophenyl)methylidene]-1-methyl-4,5,6,7-tetrahydro-1H-indazol-4-one CAS 860609-89-8
| CAS No. | 860609-89-8 |
| Molecular Formula | C15H12Cl2N2O |
| Molecular Weight | 307.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
(5E)-5-[(2,4-Dichlorophenyl)methylidene]-1-methyl-4,5,6,7-tetrahydro-1H-indazol-4-one (CAS 860609-89-8) is a high-purity analytical reference standard with the molecular formula C15H12Cl2N2O and a molecular weight of 307.17 g/mol.
Based on its molecular formula C15H12Cl2N2O, (5E)-5-[(2,4-Dichlorophenyl)methylidene]-1-methyl-4,5,6,7-tetrahydro-1H-indazol-4-one contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 307.17 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), (5E)-5-[(2,4-Dichlorophenyl)methylidene]-1-methyl-4,5,6,7-tetrahydro-1H-indazol-4-one meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C15H12Cl2N2O |
| Molecular Weight | 307.17 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related E Standards
- (2E)-1-(2,5-Dichlorophenyl)-3-(3-methoxyphenyl)prop-2-en-1-one (CAS 1003745-37-6)
- (2E)-1-(2,4-Dichlorophenyl)-3-(2-methoxyphenyl)prop-2-en-1-one (CAS 1085919-02-3)
- (2E)-1-(2,4-Dichlorophenyl)-3-(3-methoxyphenyl)prop-2-en-1-one (CAS 1177972-08-5)
- (2E)-1-(3,4-Dichlorophenyl)-3-(3-methoxyphenyl)prop-2-en-1-one (CAS 1208986-02-0)
- (2E)-1-(3,4-Dichlorophenyl)-3-(4-methoxyphenyl)prop-2-en-1-one (CAS 1208986-03-1)
- 1-(3,5-Dichlorophenyl)-3-(4-methoxyphenyl)-prop-2-en-1-one 1217250-82-2 (CAS 1217250-82-2)
- (2E)-3-(2,4-Dichlorophenyl)-1-(2-methoxyphenyl)prop-2-en-1-one (CAS 1352346-90-7)
- (2E)-1-(3,4-Dichlorophenyl)-3-(2-methoxyphenyl)prop-2-en-1-one (CAS 1354942-03-2)
Recommended Standards
- (3-(2,4-Dichlorobenzyl)imidazo[1,5-a]pyridin-1-yl)methanol (CAS 920019-78-9)
- (E)-1-(4-chlorophenyl)-3-(4-chlorostyryl)urea (CAS 338413-48-2)
- (2E)-N-(2,4-Dichlorophenyl)-3-(phenylamino)prop-2-enamide (CAS 338976-61-7)
- (E)-3-(3-chloro-4-methoxyphenyl)-1-(4-chlorophenyl)prop-2-en-1-one (CAS 861207-58-1)
- (R)-6,8-difluorochroman-4-amine (CAS 912260-01-6)
- Diflunisal Impurity 1 (CAS 705564-12-1)
- 2-Chloro-5-fluoro-N-methylpyridin-4-amine (CAS 1256834-94-2)
- tert-Butyl 3-hydrazinylpiperidine-1-carboxylate dihydrochloride (CAS 1628179-35-0)
- Ornidazole Impurity 85 (CAS CATO-C4X-133185)
- 1-Methyl-5-nitro-1,2,3-triazole (CAS 1204736-25-3)
- 5-(Chloromethyl)-2,4-dimethyl-1,3-oxazole (CAS 885061-06-3)
- (Methylsulfonyl)methanamine hydrochloride (CAS 1956319-73-5)
- Pyrrolidine-3-carboxamide (CAS 471254-10-1)
- Gastrin Tetrapeptide (CAS 1947-37-1)
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