≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Room temperature Ships Normal Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
| Pubchem Sid | 488184770 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/488184770 |
| Canonical Smiles | C1=NNC(=O)C(=C1Cl)Cl |
| IUPAC Name | 4,5-dichloro-1H-pyridazin-6-one |
| InChIKey | VJWXIRQLLGYIDI-UHFFFAOYSA-N |
| INCHI | 1S/C4H2Cl2N2O/c5-2-1-7-8-4(9)3(2)6/h1H,(H,8,9) |
| Isomeric SMILES | C1=NNC(=O)C(=C1Cl)Cl |
| WGK Germany | 3 |
| RTECS | UR6182000 |
| Molecular Weight | 164.98 |
| Beilstein | 120959 |
| Reaxy-Rn | 120959 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=120959&ln= |
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Organoheterocyclic compounds |
| Class | Diazines |
| Subclass | Pyridazines and derivatives |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Pyridazinones |
| Alternative Parents | Aryl chlorides Vinylogous halides Heteroaromatic compounds Lactams Azacyclic compounds Organopnictogen compounds Organooxygen compounds Organonitrogen compounds Organochlorides Organic oxides Hydrocarbon derivatives |
| Molecular Framework | Aromatic heteromonocyclic compounds |
| Substituents | Pyridazinone - Aryl chloride - Aryl halide - Vinylogous halide - Heteroaromatic compound - Lactam - Azacycle - Organic nitrogen compound - Hydrocarbon derivative - Organic oxide - Organooxygen compound - Organonitrogen compound - Organochloride - Organohalogen compound - Organopnictogen compound - Organic oxygen compound - Aromatic heteromonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as pyridazinones. These are compounds containing a pyridazine ring which bears a ketone. |
| External Descriptors | Not available |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
 H1408239 | Certificate of Analysis | Mar 20, 2026 | D122398 |
| C1411010 | Certificate of Analysis | Oct 14, 2025 | D122398 |
| E2309572 | Certificate of Analysis | Feb 10, 2023 | D122398 |
| E2309577 | Certificate of Analysis | Feb 10, 2023 | D122398 |
| E2309580 | Certificate of Analysis | Feb 10, 2023 | D122398 |
| E2309583 | Certificate of Analysis | Feb 10, 2023 | D122398 |
| E2309587 | Certificate of Analysis | Feb 10, 2023 | D122398 |
| E2309610 | Certificate of Analysis | Feb 10, 2023 | D122398 |
| E2309840 | Certificate of Analysis | Feb 10, 2023 | D122398 |
| E2309914 | Certificate of Analysis | Feb 10, 2023 | D122398 |
| H1408238 | Certificate of Analysis | Jun 11, 2022 | D122398 |
| Melt Point(°C) | 204-206°C |
|---|---|
| Molecular Weight | 164.970 g/mol |
| XLogP3 | 1.000 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 0 |
| Exact Mass | 163.954 Da |
| Monoisotopic Mass | 163.954 Da |
| Topological Polar Surface Area | 41.500 Ų |
| Heavy Atom Count | 9 |
| Formal Charge | 0 |
| Complexity | 209.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 1 |
