N-(3-(3-chlorophenoxy)-5-nitrophenyl)-2-(5-methyl-3-nitro-1H-pyrazol-1-yl)acetamide CAS 321142-91-0
| CAS No. | 321142-91-0 |
| Molecular Formula | C18H14ClN5O6 |
| Molecular Weight | 431.79 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of N-(3-(3-chlorophenoxy)-5-nitrophenyl)-2-(5-methyl-3-nitro-1H-pyrazol-1-yl)acetamide is closely related to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
N-(3-(3-chlorophenoxy)-5-nitrophenyl)-2-(5-methyl-3-nitro-1H-pyrazol-1-yl)acetamide (CAS 321142-91-0) is a high-purity analytical reference standard with the molecular formula C18H14ClN5O6 and a molecular weight of 431.79 g/mol.
Structurally, N-(3-(3-chlorophenoxy)-5-nitrophenyl)-2-(5-methyl-3-nitro-1H-pyrazol-1-yl)acetamide (C18H14ClN5O6) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 431.79 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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), N-(3-(3-chlorophenoxy)-5-nitrophenyl)-2-(5-methyl-3-nitro-1H-pyrazol-1-yl)acetamide 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 | C18H14ClN5O6 |
| Molecular Weight | 431.79 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 5 |
Related N Standards
- 5-(3-Chlorophenoxy)-N-(2,4-difluorophenyl)-1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxamide (CAS 158712-62-0)
- ((4-(2-Chlorophenoxy)phenyl)sulfonyl)phenylalanine (CAS 1009715-73-4)
- [4-(4-Chlorophenoxy)-3-nitrophenyl]methyl N-(3-chlorophenyl)carbamate (CAS 339279-24-2)
- [4-(4-Chlorophenoxy)-3-nitrophenyl]methyl 4-nitrobenzoate (CAS 338960-80-8)
- 1-[2-(4-Chlorophenoxy)ethyl]-4-{[6-(trifluoromethyl)-3-pyridinyl]methyl}-1,4-diazepan-5-one (CAS 909659-29-6)
- 4-(4-Chlorophenoxy)-2-{[(2,4-dichlorophenyl)methyl]sulfanyl}-5-methoxypyrimidine (CAS 339275-89-7)
- 4-(4-Chlorophenoxy)-2-{[(2,6-dichlorophenyl)methyl]sulfanyl}-5-methoxypyrimidine (CAS 338955-86-5)
- 2-[(4-chlorophenoxy)methyl]-5-[3-(2,6-dichlorophenyl)-5-methyl-4-isoxazolyl]-1,3,4-oxadiazole 400080-27-5 KS-000035BY (CAS 400080-27-5)
Recommended Standards
- N-[p-(Acetylmercuric)phenyl]maleimide (CAS 117259-61-7)
- 1-(4-Chloro-3-(trifluoromethyl)phenyl)-3-(3-(4-cyanophenoxy)phenyl)urea (CAS 1400989-25-4)
- Ethyl 2-(3-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl](methyl)amino}-5-cyano-2,6-dioxo-1,2,3,6-tetrahydropyrimidin-1-yl)acetate (CAS 338399-47-6)
- 3-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl](methyl)amino}-1-[(1E)-{[(4-methoxyphenyl)methoxy]amino}methylidene]urea (CAS 321433-46-9)
- N-ethyl-5-fluoro-2-hydroxy-N-isopropylbenzamide (CAS 1549490-65-4)
- 2-Methylbutyl isothiocyanate (CAS 4404-51-7)
- (Z)-Fenpyroximate (CAS 149054-53-5)
- 2-Amino-[1,2,4]triazolo[1,5-a]pyridin-6-ol (CAS 1092443-03-2)
- (S)-tert-Butyl 3-(3-hydroxypropyl)piperidine-1-carboxylate (CAS 188723-35-5)
- 1-[4-(3-Methylpiperidin-1-yl)phenyl]methanamine (CAS 486437-66-5)
- 2-([1,1'-Biphenyl]-4-yl)furan (CAS 21236-00-0)
- 1-Pyridin-2-yl-cyclopentanecarboxylic acid (CAS 783297-14-3)
- 4-Chloro-D-phenylalanine Methyl Ester HCl (CAS 33965-47-8)
- (Leu31,Pro3?)-Neuropeptide Y (porcine) trifluoroacetate salt (CAS 125580-28-1)
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