4-Chloro-3(2H)-pyridazinone

C₄H₃ClN₂OCAS 1677-79-8130.53 g/mol

Open in Covalent MOL file

Aryl halide

Properties

Molecular formula: C₄H₃ClN₂O
Molar mass: 130.53 g/mol
Exact mass: 129.9934 Da
logP: 0.42Crippen estimate
Polar surface area: 45.8 Å²
H-bond donors / acceptors: 1 / 2
Rotatable bonds: 0

Hazards

Warning

H302 Harmful if swallowed100% of notifiers
H315 Causes skin irritation100% of notifiers
H319 Causes serious eye irritation100% of notifiers
H335 May cause respiratory irritation50% of notifiers

Aggregated from 2 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.

Precautionary statements

P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, P501

Identifiers

CAS number

1677-79-8

SMILES

C1=C(C(=O)NN=C1)Cl

InChIKey

UYWAYTBDMJFIQT-UHFFFAOYSA-N

InChI

InChI=1S/C4H3ClN2O/c5-3-1-2-6-7-4(3)8/h1-2H,(H,7,8)

Weigh it out

Type any one amount. The others follow from the molar mass.

Names and synonyms

1 names

4-Chloro-2,3-dihydropyridazin-3-one

Work with 4-Chloro-3(2H)-pyridazinone

Predict the NMR spectrum1H and 13C shifts with multiplicities Make a solutionWhat to weigh for any molarity and volume Check drug-likenessLipinski, Veber and lead-likeness Isotope patternExact mass and the mass spectrum pattern

Similar compounds

4-Methylpyridazin-3-ol33471-40-852 % similar 3-Chloro-1H-pyrazole14339-33-444 % similar 3-Chloro-2-hydroxypyridine13466-35-843 % similar 4-Chloro-1H-pyrazolo[3,4-b]pyridine29274-28-038 % similar 2,3-Dihydroxy-6,7-dichloroquinoxaline25983-13-537 % similar 3-(4-Chlorophenyl)-1H-pyrazole59843-58-236 % similar 1H-Pyrazole-3-carbaldehyde3920-50-135 % similar 4-Chloro-5-methoxypyridazin-3(2H)-one63910-43-035 % similar

Tanimoto similarity of circular fingerprints over the whole catalogue. All similar compounds

Same formula

6-Chloropyridazin-3-ol19064-67-6 6-Chloropyrimidin-4-ol4765-77-9 2-Chloro-5-hydroxypyrimidine4983-28-2 5-Chloro-2(1H)-pyrimidinone54326-16-8

Elsewhere

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