1-(4-Nitrophenyl)-5-(trifluoromethyl)pyrazole-4-carbonyl chloride CAS 175137-36-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 175137-36-7 |
| Molecular Formula | C11H5ClF3N3O3 |
| Molecular Weight | 319.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 1-(4-Nitrophenyl)-5-(trifluoromethyl)pyrazole-4-carbonyl chloride (CAS 175137-36-7) pharmaceutical standards reference standard. Molecular formula: C11H5ClF3N3O3. Molecular weight: 319.62 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C11H5ClF3N3O3 |
| Molecular Weight | 319.62 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, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2007 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |
Related Nitrophenyl Standards
- (E)-[(3-Nitrophenyl)methylidene]amino N-(3-chlorophenyl)carbamate (CAS 303987-33-9)
- 2-((4-(3-Nitrophenyl)thiazol-2-yl)methyl)thiazol-4-ol (CAS 860651-32-7)
- 5-Methyl-3-{[2-(4-nitrophenyl)-2-oxoethyl]sulfanyl}-1,2-thiazole-4-carbonitrile (CAS 343372-92-9)
- 3-Methyl-1-(4-nitrophenyl)-5-phenyl-1,4-dihydroimidazo[4,5-c]pyrazole (CAS 63330-31-4)
- (E)-3-(5-(3-nitrophenyl)furan-2-yl)-1-phenylprop-2-en-1-one (CAS 40941-02-4)
- (E)-3-(5-(4-nitrophenyl)furan-2-yl)-1-phenylprop-2-en-1-one (CAS 20005-41-8)
- 4-Nitrophenyl [1,1'-biphenyl]-4-carboxylate (CAS 35666-12-7)
- 4-Nitrophenyl di(furan-2-yl)phosphinate (CAS 81425-61-8)
Recommended Standards
- 3-Chloro-6-[4-Nitro-2-(Trifluoromethyl)Phenoxy]Pyridazine (CAS 103317-55-1)
- 1823187-92-3 5-chloro-4-(4-nitrophenoxy)-6-(trifluoromethyl)pyrimidine KS-000025TP (CAS 1823187-92-3)
- Triclocarban-d4 (CAS 1219799-29-7)
- Rosuvastatin 5-Oxo Acid Methyl Ester (CAS 147118-39-6)
- 5-Amino-1-(4-bromophenyl)-1H-1,2,3-triazole-4-carboxamide (CAS 929837-67-2)
- Cysteine Betaine Disulphide (CAS 59077-05-3)
- Talabostat (CAS 149682-77-9)
- 5-Isopropyl-2-(pyridin-4-yl)benzo[d]oxazole (CAS 1192018-77-1)
- Butyl 2,4-dichloro-6-(phenylthio)pyrimidine-5-carboxylate (CAS 87847-39-0)
- Tirzepatide Impurity 21 X TFA Salt (CAS CATO-C4X-324021)
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