99171-62-7

Basic information

• Product Name: 1-p-ethoxyphenyl-2-thiobiurea
• Synonyms: 1-p-ethoxyphenyl-2-thiobiurea
• CAS NO: 99171-62-7
• Molecular Weight: 254.313
• Mol File: 99171-62-7.mol
• Article Data: 1

Chemical Properties

• CAS DataBase Reference: 1-p-ethoxyphenyl-2-thiobiurea(CAS DataBase Reference)
• NIST Chemistry Reference: 1-p-ethoxyphenyl-2-thiobiurea(99171-62-7)
• EPA Substance Registry System: 1-p-ethoxyphenyl-2-thiobiurea(99171-62-7)

Safety Data

• Hazardous Substances Data: 99171-62-7(Hazardous Substances Data)

Upstream product

• 563-41-7 semicarbazide hydrochloride 
• 3460-49-9 1-ethoxy-4-isothiocyanatobenzene 

Relevant articles and documents

Heterocyclization of 1-aryl/alkyl-2-thiobiureas to 4-aryl/alkyl-3-substituted-Δ2-1,2,4-triazolin-5-ones

Synthesis of a range of 1,2,4-triazolin-5-ones has been carried out by thermally induced cyclization of 1-aryl/alkyl-2-alkyl isothiobiureas 4. The required isothiobiureas were generated in situ by the reaction of alkyl halides with 1-aryl/alkyl-2-thiobiureas 3 in acidic medium at reflux. The reaction proceeds after S-alkylation of the thiobiureas and is demonstrated by the isolation of the alkyl isothiobiurea intermediates and their subsequent acid catalyzed thermal cyclization.