6-CHLORO-[1,2,4]TRIAZOLO[4,3-B]PYRIDAZIN-3(2H)-ONE

Modify Date: 2025-08-26 00:00:37

6-CHLORO-[1,2,4]TRIAZOLO[4,3-B]PYRIDAZIN-3(2H)-ONE Structure
6-CHLORO-[1,2,4]TRIAZOLO[4,3-B]PYRIDAZIN-3(2H)-ONE structure
 Common Name 6-CHLORO-[1,2,4]TRIAZOLO[4,3-B]PYRIDAZIN-3(2H)-ONE
CAS Number 33050-32-7 Molecular Weight 170.55700
Density 1.95g/cm3 Boiling Point N/A
Molecular Formula C5H3ClN4O Melting Point 265-275ºC
MSDS N/A Flash Point N/A

 Names

Name 6-Chloro[1,2,4]triazolo[4,3-b]pyridazin-3(2H)-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.95g/cm3
Melting Point 265-275ºC
Molecular Formula C5H3ClN4O
Molecular Weight 170.55700
Exact Mass 170.00000
PSA 63.05000
LogP 0.07100
Index of Refraction 1.849
Storage condition 2-8°C

 Safety Information

HS Code 2933990090

 Synthetic Route

3,6-Dichloropyridazine structure

3,6-Dichloropyr...

CAS#:141-30-0

Semicarbazide hydrochloride structure

Semicarbazide h...

CAS#:563-41-7

~94%

6-CHLORO-[1,2,4]TRIAZOLO[4,3-B]PYRIDAZIN-3(2H)-ONE Structure

6-CHLORO-[1,2,4...

CAS#:33050-32-7

Literature: GENFIT; BOUROTTE, Maryline; DELHOMEL, Jean-François; DUBERNET, Mathieu; GOUY, Marie-Hélène Patent: WO2013/45519 A1, 2013 ; Location in patent: Page/Page column 42 ;
ethyl 6-chloro-3-hydrazinyl-3H-pyridazine-2-carboxylate structure

ethyl 6-chloro-...

CAS#:62082-13-7

~%

6-CHLORO-[1,2,4]TRIAZOLO[4,3-B]PYRIDAZIN-3(2H)-ONE Structure

6-CHLORO-[1,2,4...

CAS#:33050-32-7

Literature: US3994898 A1, ;

 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

6-chloro-2H-[1,2,4]triazolo[4,3-b]pyridazin-3-one
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Chemsrc provides CAS#:33050-32-7 MSDS, density, melting point, boiling point, structure, etc. Its name is 6-CHLORO-[1,2,4]TRIAZOLO[4,3-B]PYRIDAZIN-3(2H)-ONE>> amp version: 6-CHLORO-[1,2,4]TRIAZOLO[4,3-B]PYRIDAZIN-3(2H)-ONE

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