1-(3-Chlorophenyl)-3-(3-nitrophenyl)-1H-pyrazole-4-carbaldehyde CAS 618101-71-6
| CAS No. | 618101-71-6 |
| Molecular Formula | C16H10ClN3O3 |
| Molecular Weight | 327.72 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, 1-(3-Chlorophenyl)-3-(3-nitrophenyl)-1H-pyrazole-4-carbaldehyde is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 327.72 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies 1-(3-Chlorophenyl)-3-(3-nitrophenyl)-1H-pyrazole-4-carbaldehyde (CAS 618101-71-6), a certified reference material (molecular formula C16H10ClN3O3, MW 327.72 g/mol) for analytical method development and quality control.
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.
As a certified reference material (CRM), 1-(3-Chlorophenyl)-3-(3-nitrophenyl)-1H-pyrazole-4-carbaldehyde 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 | C16H10ClN3O3 |
| Molecular Weight | 327.72 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chlorophenyl Standards
- 3-(4-Chlorophenyl)-1-(4-nitrophenyl)-1H-pyrazole-4-carbaldehyde (CAS 1187969-22-7)
- 1-(3-Chlorophenyl)-3-(4-nitrophenyl)-1H-pyrazole-4-carbaldehyde (CAS 618101-72-7)
- 1-(4-Chlorophenyl)-3-(3-nitrophenyl)-1H-pyrazole-4-carbaldehyde (CAS 618098-98-9)
- 1-(4-Chlorophenyl)-3-(4-nitrophenyl)-1H-pyrazole-4-carbaldehyde (CAS 618098-99-0)
- 1-(4-Chlorophenyl)-3-{[4-(trifluoromethyl)phenyl]amino}propan-1-one (CAS 477334-15-9)
- N'-[(4-Chlorophenyl)methyl]-N-[3-(trifluoromethyl)phenyl]guanidine (CAS 254434-90-7)
- N-(4-chlorophenyl)-2,2-difluoro-2-(4-methoxyphenoxy)acetamide (CAS 303150-79-0)
- 3-[(2-Chlorophenyl)methyl]-8-fluoro-3H,4H,5H-pyrimido[5,4-b]indol-4-one (CAS 1031557-91-1)
Recommended Standards
- 1-((4-Chloro-2-nitrophenyl)diazenyl)naphthalen-2-ol (CAS 6410-13-5)
- Diethyl Decarboxylated Compound (CAS 177838-59-4)
- 4-Amino-7-((2R,3S,4R,5R)-3-chloro-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-7H-pyrrolo[2,3-d]pyrimidine-5-carboxamide (CAS 127880-92-6)
- 2-((2-Acetamido-6-chloro-9H-purin-9-yl)methoxy)ethyl acetate (CAS 120356-08-3)
- 4-(Cyclopentyloxy)dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepine (CAS 379268-58-3)
- 5-Bromo-2-(1H-pyrazol-1-yl)-1H-indole (CAS 1414867-78-9)
- 1,3-Dimethyl-1H-benzo[d][1,2,3]triazol-3-ium iodide (CAS 22713-35-5)
- (3-Amino-1-methylcyclobutyl)methanol (CAS 2377030-64-1)
- 3-(4-Chlorophenyl)-2',3'-dichloropropiophenone (CAS 898788-39-1)
- N-(1-(Furan-2-carbonyl)-1,2,3,4-tetrahydroquinolin-6-yl)methanesulfonamide (CAS 941960-94-7)
- 5-Bromo-1-cyclopropyl-1H-indazole (CAS 1286794-16-8)
- Undecyl 6-bromohexanoate (CAS 959040-06-3)
- (4-(1-Methyl-1H-pyrazol-4-yl)phenyl)methanamine dihydrochloride (CAS 1610468-54-6)
- Semaglutide impurity 58 (CAS CATO-C4X-222658)
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