1-(1-(2-Chlorophenyl)-1H-pyrazol-4-yl)ethan-1-one CAS 925155-57-3
| CAS No. | 925155-57-3 |
| Molecular Formula | C11H9ClN2O |
| Molecular Weight | 220.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(1-(2-Chlorophenyl)-1H-pyrazol-4-yl)ethan-1-one (CAS 925155-57-3) is a high-purity analytical reference standard with the molecular formula C11H9ClN2O and a molecular weight of 220.65 g/mol.
Structurally, 1-(1-(2-Chlorophenyl)-1H-pyrazol-4-yl)ethan-1-one (C11H9ClN2O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 220.65 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 1-(1-(2-Chlorophenyl)-1H-pyrazol-4-yl)ethan-1-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C11H9ClN2O |
| Molecular Weight | 220.65 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chlorophenyl Standards
- 1-(4-Chlorophenyl)-5-oxopyrrolidine-3-carbonitrile (CAS 1017458-43-3)
- 1-(2-chlorophenyl)-3-methyl-1H-pyrazole-4-carbaldehyde (CAS 1046784-68-2)
- 3-(2-Chlorophenyl)-1-methyl-1h-pyrazole-4-carbaldehyde (CAS 1152508-67-2)
- 1-(4-chlorophenyl)-3-methyl-1H-pyrazole-4-carbaldehyde (CAS 1152543-59-3)
- 2-(2-Chlorophenyl)-1-(furan-2-yl)ethan-1-one (CAS 1179791-53-7)
- 2-(2-chlorophenyl)-1-(furan-3-yl)ethan-1-one (CAS 1184371-84-3)
- 6-(4-Chlorophenyl)-3-methylpyrimidin-4(3H)-one (CAS 1207031-14-8)
- 6-(4-Chlorophenyl)-2-methylpyrimidin-4-ol (CAS 1256778-64-9)
Recommended Standards
- (Z)-4-chloro-3-oxo-2-((phenylamino)methylene)butanenitrile (CAS 339106-38-6)
- 1-(1-(4-Chlorophenyl)-1H-pyrazol-4-yl)ethan-1-one (CAS 925580-76-3)
- (Z)-3-(4-chlorophenyl)-2-((E)-(methoxyimino)methyl)acrylonitrile (CAS 339011-91-5)
- 1-(3-Chloro-4-(1H-pyrazol-1-yl)phenyl)ethanone (CAS 66956-58-9)
- 2-Propyl-2h-1,2,3-triazol-4-amine (CAS 915922-91-7)
- 6-(Ethanesulfonyl)-4-(4-methoxybenzenesulfonyl)-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylic acid (CAS 866050-98-8)
- 7-Bromo-2-(2,6-dimethoxyphenyl)-2,3-dihydroquinolin-4(1H)-one (CAS 882854-43-5)
- N-((1-Ethylpyrrolidin-2-yl)methyl)-2-methoxy-5-(N-methylsulfamoyl)benzamide (CAS 51489-20-4)
- 1-Cyclopropylpiperidin-4-one oxime (CAS 923225-08-5)
- 3-Butyl-5-chloro-3-methyl-3,4-dihydro-2H-[1,3'-biquinolin]-2-one (CAS 918646-20-5)
- 3-{4-[(4-chlorophenyl)methyl]piperazin-1-yl}propanoic acid dihydrochloride (CAS 1172397-29-3)
- 3-Bromo-N-(4-methoxyphenyl)-5-nitropyridin-4-amine (CAS 91394-81-9)
- Sodium selenate (CAS 13410-01-0)
- D-Val23-Tirzepatide (CAS CATO-CPTD788911)
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