34682-99-0

Basic information

• Product Name: 2-Thioxo-2,3-dihydropyrazolo[1,5-a][1,3,5]triazin-4(1H)-one
• Synonyms: 2-sulfanylidene-6H-pyrazolo[1,5-a][1,3,5]triazin-4-one;2,3-dihydro-2-thioxo-Pyrazolo[1,5-a]-1,3,5-triazin-4(1H)-one;2-Thioxo-2,3-dihydropyrazolo[1,5-a][1,3,5]triazin-4(1H)-one;2-sulfanylidene-1H,2H,3H,4H-pyrazolo[1,5-a][1,3,5]triazin-4-one
• CAS NO: 34682-99-0
• Molecular Formula: C₅H₄N₄OS
• Molecular Weight: 168.18
• Mol File: 34682-99-0.mol
• Article Data: 18

Chemical Properties

• Melting Point: 284-286 °C(Solv: methanol (67-56-1))
• Appearance: /
• Density: 1.937g/cm³
• Refractive Index: 1.945
• Storage Temp.: Sealed in dry,Room Temperature
• PKA: 6.56±0.20(Predicted)
• CAS DataBase Reference: 2-Thioxo-2,3-dihydropyrazolo[1,5-a][1,3,5]triazin-4(1H)-one(CAS DataBase Reference)
• NIST Chemistry Reference: 2-Thioxo-2,3-dihydropyrazolo[1,5-a][1,3,5]triazin-4(1H)-one(34682-99-0)
• EPA Substance Registry System: 2-Thioxo-2,3-dihydropyrazolo[1,5-a][1,3,5]triazin-4(1H)-one(34682-99-0)

Safety Data

• Hazardous Substances Data: 34682-99-0(Hazardous Substances Data)

Usage

Synthesis Reference(s)

Journal of Heterocyclic Chemistry, 11, p. 199, 1974 DOI: 10.1002/jhet.5570110217Synthesis, p. 301, 1975 DOI: 10.1055/s-1975-23738

InChI:InChI=1/C5H4N4OS/c10-5-8-4(11)7-3-1-2-6-9(3)5/h1-2H,(H2,7,8,10,11)

Upstream product

• 34683-00-6 ethyl N-[(1H-pyrazol-5-yl)carbamothioyl]carbamate 
• 1820-80-0 3-aminopyrazole 
• 16182-04-0 Ethoxycarbonyl isothiocyanate 
• 34683-00-6 N-[(1H-pyrazol-3-ylamino)thioxomethyl]carbamic acid ethyl ester 

Downstream Products

• 54346-35-9 8-bromo-2-(methylsulfanyl)pyrazolo[1,5-a][1,3,5]triazin-4-ol 
• 54346-33-7 8-bromo-2-(methylthio)-4-chloropyrazolo<1,5-a>-1,3,5-triazine 
• 54346-19-9 4-chloro-2-methylthiopyrazolo(1,5-a)-1,3,5-triazine 
• 54346-18-8 2-(methylsulfanyl)pyrazolo[1,5-a][1,3,5]triazin-4-ol 
• 1313036-71-3 4-(3-aminophenoxy)-N-(2-methoxy-4-(4-methylpiperazin-1-yl)phenyl)pyrazolo[1,5-a][1,3,5]triazin-2-amine 
• 1313036-70-2 N-(2-methoxy-4-(4-methylpiperazin-1-yl)phenyl)-4-(3-nitrophenoxy)pyrazolo[1,5-a][1,3,5]triazin-2-amine 
• 1313036-69-9 2-(methylsulfonyl)-4-(3-nitrophenoxy)pyrazolo[1,5-a][1,3,5]triazine 
• 1313036-68-8 2-(methylthio)-4-(3-nitrophenoxy)pyrazolo[1,5-a][1,3,5]triazine 
• 1313036-28-0 N-(3-((2-((2-methoxy-4-(4-methylpiperazin-1-yl)phenyl)amino)pyrazolo[1,5-a][1,3,5]triazin-4-yl)oxy)phenyl)acrylamide 
• 1358769-23-9 C₂₄H₂₄Br₂ClN₇O 
• 1358769-19-3 C₂₄H₂₅Br₂N₇O 
• 1358769-17-1 C₁₉H₂₆N₆O₂ 
• 1162654-55-8 4-(N-methyl-N-phenylamino)-2-(methylsulfonyl)pyrazolo[1,5-a]-1,3,5-triazine 

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