1-(3-(4-Chloro-1h-pyrazol-1-yl)phenyl)ethan-1-one CAS 1503407-39-3
| CAS No. | 1503407-39-3 |
| Molecular Formula | C11H9ClN2O |
| Molecular Weight | 220.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 1-(3-(4-Chloro-1h-pyrazol-1-yl)phenyl)ethan-1-one 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.
CATO supplies 1-(3-(4-Chloro-1h-pyrazol-1-yl)phenyl)ethan-1-one (CAS 1503407-39-3), a certified reference material (molecular formula C11H9ClN2O, MW 220.65 g/mol) for analytical method development and quality control.
Structurally, 1-(3-(4-Chloro-1h-pyrazol-1-yl)phenyl)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. 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.
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.) | 1992 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- 1-(3-Chloro-4-(1h-imidazol-1-yl)phenyl)ethan-1-one (CAS 100479-59-2)
- 3-Chloro-6,7,8,9-tetrahydro-5H-pyrido[2,3-b]indol-5-one (CAS 1005498-46-3)
- 1-(2-Chloro-4-(1h-pyrazol-1-yl)phenyl)ethan-1-one (CAS 1022154-85-3)
- 4-Chloro-6-methoxyindole-3-acetonitrile (CAS 110385-66-5)
- 5-(2-Chloro-4-methylphenyl)pyrimidin-2-ol (CAS 1111107-98-2)
- 5-(4-Chloro-3-methylphenyl)pyrimidin-2-ol (CAS 1111108-19-0)
- 5-(3-Chloro-4-methylphenyl)pyrimidin-2-ol (CAS 1111108-44-1)
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Recommended Standards
- 2-(4-Chloro-5-methoxy-1H-indol-3-yl)acetonitrile (CAS 147405-69-4)
- 6-Chloro-4-cyclopropylquinazolin-2-ol (CAS 150878-36-7)
- 1-(4-Chlorophenyl)-2-(1H-pyrazol-1-yl)ethan-1-one (CAS 1457-52-9)
- 2-(4-Chloronaphthalen-1-yl)acetic acid (CAS 15257-61-1)
- 1-(But-3-enoxymethyl)-4-methoxybenzene (CAS 142860-83-1)
- 3-Amino-L-tyrosine (CAS 300-34-5)
- 2-Chloro-N-(4-ethoxyphenyl)propanamide (CAS 868771-18-0)
- 6-Methyl-2,3-bis(trifluoromethyl)pyridine (CAS 1099597-76-8)
- 1-(3-Methylbenzofuran-2-yl)ethan-1-ol (CAS 1158018-33-7)
- (11bR)-2,6-Bis(3,5-dimethylphenyl)-N,N-dimethyldinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-amine (CAS 1114957-90-2)
- 3,5-Dimethyl-N-(3-(trifluoromethyl)phenyl)benzamide (CAS 861506-97-0)
- 2-Cyclopropoxy-3-fluorobenzaldehyde (CAS 1243399-18-9)
- Ethyl tetrahydro-2H-thiopyran-4-carboxylate (CAS 856939-74-7)
- [D-His]-Semaglutide B (x TFA Salt) (CAS CATO-C4X-2226117)
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