4,5-Dichloro-2-(4-pyridinyl)-3(2H)-pyridazinone

Modify Date: 2025-10-15 13:24:31

4,5-Dichloro-2-(4-pyridinyl)-3(2H)-pyridazinone Structure
4,5-Dichloro-2-(4-pyridinyl)-3(2H)-pyridazinone structure
Common Name 4,5-Dichloro-2-(4-pyridinyl)-3(2H)-pyridazinone
CAS Number 78389-20-5 Molecular Weight 242.06
Density N/A Boiling Point N/A
Molecular Formula C9H5Cl2N3O Melting Point N/A
MSDS N/A Flash Point N/A

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 4,5-Dichloro-2-(4-pyridinyl)-3(2H)-pyridazinone

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Molecular Formula C9H5Cl2N3O
Molecular Weight 242.06
InChIKey IQEDMDDJXVDZLE-UHFFFAOYSA-N
SMILES O=c1c(Cl)c(Cl)cnn1-c1ccncc1

  | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the molecular weight of 4,5-Dichloro-2-(4-pyridinyl)-3(2H)-pyridazinone?
A: Molecular weight of 4,5-Dichloro-2-(4-pyridinyl)-3(2H)-pyridazinone is 242.06.
Q: What is the CAS number of 4,5-Dichloro-2-(4-pyridinyl)-3(2H)-pyridazinone?
A: CAS number of 4,5-Dichloro-2-(4-pyridinyl)-3(2H)-pyridazinone is 78389-20-5.
Q: What is the English name of 4,5-Dichloro-2-(4-pyridinyl)-3(2H)-pyridazinone?
A: The English name of 4,5-Dichloro-2-(4-pyridinyl)-3(2H)-pyridazinone is 4,5-Dichloro-2-(4-pyridinyl)-3(2H)-pyridazinone.
Q: What is the SMILES notation of 4,5-Dichloro-2-(4-pyridinyl)-3(2H)-pyridazinone?
A: SMILES notation of 4,5-Dichloro-2-(4-pyridinyl)-3(2H)-pyridazinone is O=c1c(Cl)c(Cl)cnn1-c1ccncc1.
Q: What is the molecular formula of 4,5-Dichloro-2-(4-pyridinyl)-3(2H)-pyridazinone?
A: Molecular formula of 4,5-Dichloro-2-(4-pyridinyl)-3(2H)-pyridazinone is C9H5Cl2N3O.
Q: What is the Chinese name of 78389-20-5?
A: Chinese name of 78389-20-5 is 78389-20-5.
Q: What is the InChIKey of 4,5-Dichloro-2-(4-pyridinyl)-3(2H)-pyridazinone?
A: InChIKey of 4,5-Dichloro-2-(4-pyridinyl)-3(2H)-pyridazinone is IQEDMDDJXVDZLE-UHFFFAOYSA-N.
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