HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 16640673Generated: November 3, 2026
1-[1-(3-Chlorophenyl)-1H-pyrazol-4-yl]ethan-1-one
Albb-003690 · CHEMBRDG-BB 4010479 · 1-[1-(3-Chlorophenyl)-1H-pyrazol-4-yl]ethanone · Ethanone, 1-[1-(3-chlorophenyl)-1H-pyrazol-4-yl]- · 1-[1-(3-chlorophenyl)-1H-pyrazol-4-yl]ethanone(SALTDATA: FREE)
https://huagongshe.com/en/chemical/16640673
Identifiers & Physical Properties
| CAS No. | 925142-81-0 |
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| Molecular formula | C11H9ClN2O |
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| Average molar mass | 220.659 g/mol |
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| Monoisotopic mass | 220.04034059 g/mol |
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| SMILES | CC(=O)c1cnn(-c2cccc(Cl)c2)c1 |
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| InChIKey | ZSSJNSCNNBHHQV-UHFFFAOYSA-N |
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| PubChem CID | 16640673 |
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| DTXSID | DTXSID40586338 |
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Chemical & Physical Properties
| Physical state | solid |
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| InChI | 1S/C11H9ClN2O/c1-8(15)9-6-13-14(7-9)11-4-2-3-10(12)5-11/h2-7H,1H3 |
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| InChIKey | ZSSJNSCNNBHHQV-UHFFFAOYSA-N |
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| SMILES | O=C(C)C1=CN(C2=CC=CC(Cl)=C2)N=C1 |
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| UNSPSC Code | 12352200 |
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| Hazard symbols | Xi,Xn |
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| Risk statements (R) | 22 |
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| Water hazard class (WGK) | 3 |
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| Hazard class | IRRITANT |
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| Storage class | 11 - Combustible Solids |
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Safety & Regulations
| Water hazard class (WGK) | 3 |
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| Risk statements (R) | 22 |
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| Hazard symbols | Xi,Xn |
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| Hazard class | IRRITANT |
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| Storage class | 11 - Combustible Solids |
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![1-[1-(3-Chlorophenyl)-1H-pyrazol-4-yl]ethan-1-one molecular structure](/img/chemical/16640673.png)