7-Chloro-2H-pyriMido[1,2-b]pyridazin-2-one

Modify Date: 2025-11-30 11:10:08

7-Chloro-2H-pyriMido[1,2-b]pyridazin-2-one Structure
7-Chloro-2H-pyriMido[1,2-b]pyridazin-2-one structure
Common Name 7-Chloro-2H-pyriMido[1,2-b]pyridazin-2-one
CAS Number 88820-44-4 Molecular Weight 181.57900
Density 1.579g/cm3 Boiling Point 307.571ºC at 760 mmHg
Molecular Formula C7H4ClN3O Melting Point N/A
MSDS N/A Flash Point 139.814ºC

 Names

Name 7-chloropyrimido[1,2-b]pyridazin-2-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.579g/cm3
Boiling Point 307.571ºC at 760 mmHg
Molecular Formula C7H4ClN3O
Molecular Weight 181.57900
Flash Point 139.814ºC
Exact Mass 181.00400
PSA 47.26000
LogP 0.74290
Index of Refraction 1.716
InChIKey AMXYHYWWWQIEMQ-UHFFFAOYSA-N
SMILES O=c1ccn2nc(Cl)ccc2n1

 Safety Information

HS Code 2933990090

 Synthetic Route

~41%

7-Chloro-2H-pyriMido[1,2-b]pyridazin-2-one Structure

7-Chloro-2H-pyr...

CAS#:88820-44-4

Literature: Matyus, Peter; Kasztreiner, Endre; Szilagyi, Geza; Soti, Marta; Sohar, Pal Heterocycles, 1983 , vol. 20, # 11 p. 2225 - 2228

 Precursor & DownStream

Precursor  2

DownStream  0

 Customs

HS Code 2933990090
Summary 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

7-chloro-2H-pyrimido[1,2-b]pyridazin-2-one
7-chloro-2-pyrimido[1,2-b]pyridazinone
2H-Pyrimido[1,2-b]pyridazin-2-one,7-chloro
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