Lot numbers can be found on the outside label of a product:
5,6-Dichloropyridazin-3(2H)-one
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CAS No. 17285-36-8
- Cat. No. CS-W005908
- Purity≥98%
- MDL No.MFCD04971420
*For research and further manufacturing use only, not for direct human use.
Structure of 17285-36-8
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General Information
- CAS No. 17285-36-8
- Cat. No. CS-W005908
- Purity ≥98%
- MDL No. MFCD04971420
- Storage Store at room temperature
- Shipping Room temperature in continental US; may vary elsewhere.
- Molecular Formula C₄H₂Cl₂N₂O
- Molecular Weight 164.98
- Synonym(s) 5,6-dichloropyridazine-3 (2H) - ketone
- SMILES ClC(C(Cl)=NN1)=CC1=O
Description
5,6-Dichloropyridazin-3(2H)-one serves as a versatile heterocyclic scaffold in medicinal chemistry, featuring two chlorine substituents that enhance electrophilicity and facilitate downstream functionalization. This bench-stable, moisture-tolerant compound integrates readily into bioactive molecule design, offering high reactivity in nucleophilic substitution processes under standard conditions.
Application
5,6-Dichloropyridazin-3(2H)-one serves as a versatile building block in medicinal chemistry, enabling efficient construction of nitrogen-containing heterocycles. Its dichloro substitution pattern facilitates selective nucleophilic aromatic substitution, allowing straightforward functionalization at either ring position. The pyridazinone core exhibits excellent bench stability and compatibility with common reaction conditions, simplifying purification and integration into multi-step synthetic sequences. This compound functions as a key intermediate for bioactive scaffolds found in agrochemicals and pharmaceutical development.
Synthesis
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Route1
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In-stock
6082-66-2 - ~%
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In-stock
17285-36-8
References
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Monatshefte fuer Chemie, , vol. 99, p. 15 - 81 Pharmaceutical Bulletin, , vol. 5, p. 376,377 Pharmaceutical Bulletin, , vol. 6, p. 641
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Route2
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In-stock
6082-66-2
- ~%
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17285-37-9 -
In-stock
17285-36-8
References
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Monatshefte fuer Chemie, , vol. 99, p. 15 - 81
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Route3
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In-stock
6082-66-2
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64-19-7 - ~%
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17285-37-9
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In-stock
17285-36-8
References
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Monatshefte fuer Chemie, , vol. 99, p. 15 - 81 Pharmaceutical Bulletin, , vol. 5, p. 376,377 Pharmaceutical Bulletin, , vol. 6, p. 641
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Safety Information
Download SDS|
GHS Pictogram :
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GHS No : GHS07
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Signal Word : Warning
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UN#: N/A
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Class : N/A
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Packing Group : N/A
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Hazard Statements : H302-H315-H319-H335
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Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501
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Quality Control
Computational Chemistry Data
- TPSA 45.75
- LogP 1.0767
- H_Acceptors 2
- H_Donors 1
- Rotatable_Bonds 0
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Key Words
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