(5-Chloro-1-methyl-3-phenyl-1H-pyrazol-4-yl)methyl 4-nitrobenzoate CAS 318234-22-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 318234-22-9 |
| Molecular Formula | C18H14ClN3O4 |
| Molecular Weight | 371.77 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(5-Chloro-1-methyl-3-phenyl-1H-pyrazol-4-yl)methyl 4-nitrobenzoate (CAS 318234-22-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H14ClN3O4. Molecular weight: 371.77 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H14ClN3O4 |
| Molecular Weight | 371.77 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.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chloro Standards
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- 1-[4-chloro-3-(trifluoromethyl)benzenesulfonyl]piperidine-4-carboxylic acid (CAS 727718-11-8)
- 1-{[2-chloro-5-(trifluoromethyl)phenyl]sulfonyl}piperidine-4-carboxylic acid (CAS 727718-06-1)
- 2-(4-Chloro-2-methylphenoxy)-N-(3,5-dimethoxyphenyl)-2,2-difluoroacetamide (CAS 400087-84-5)
- 3-Chloro-N-((2-methyl-3-phenylisoxazolidin-5-yl)methyl)-5-(trifluoromethyl)pyridin-2-amine (CAS 400085-33-8)
- 2-Chloro-N-(2-(3-(4-fluorophenyl)-6-oxopyridazin-1(6H)-yl)ethyl)benzamide (CAS 921804-12-8)
- 3-[(5-chloro-2,4-dimethoxyphenyl)sulfamoyl]benzoic acid (CAS 406927-71-7)
- 5-{[3-Chloro-5-(trifluoromethyl)-2-pyridinyl]methyl}-2-thiophenesulfonohydrazide (CAS 306976-75-0)
Recommended Standards
- (4-Methoxyphenyl)methyl N-(3-chloro-1,4-dioxo-1,4-dihydronaphthalen-2-yl)carbamate (CAS 477848-89-8)
- N-(2-Benzoyl-4-chlorophenyl)-3,4-difluorobenzamide (CAS 312923-12-9)
- 5-(4-Chlorophenyl)-6-((4-nitrophenoxy)methyl)pyrimidine-2,4-diamine (CAS 136265-92-4)
- 2-Methyl-6H-pyrrolo[3,2-b]pyridine (CAS 344252-18-2)
- 2-Ethylidene-1,5-dimethyl-3,3-diphenylpyrrolidine (cis/trans mixture) (1.0mg/ml in Acetonitrile) (CAS 30223-73-5)
- 5-Bromomethyl-1-(2-chloro-phenyl)-3-trifluoromethyl-1H-pyrazole (CAS 1033586-28-5)
- Methyl 3-(2-((4-chlorophenyl)sulfonamido)phenoxy)thiophene-2-carboxylate (CAS 900018-88-4)
- 3-Methoxy-6H-dibenzo[b,d]pyran-6-one (CAS 1143-62-0)
- 1-[2-(aminomethyl)phenyl]-N,N-dimethylmethanamine (CAS 53369-77-0)
- Semaglutide impurity 32 (CAS CATO-C4X-222632)
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