Cas 2273-19-0,3-imino-2,4-diphenyl-2H-1,2,4-triazole-5(4H)-carboxylic acid ethyl ester

2273-19-0

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Basic information

Product Name: 3-imino-2,4-diphenyl-2H-1,2,4-triazole-5(4H)-carboxylic acid ethyl ester
Synonyms: 3-imino-2,4-diphenyl-2H-1,2,4-triazole-5(4H)-carboxylic acid ethyl ester
CAS NO:2273-19-0
Molecular Formula:
Molecular Weight: 308.34
EINECS: N/A
Product Categories: N/A

Chemical Properties

Melting Point: N/A
Boiling Point: N/A
Flash Point: N/A
Appearance: N/A
Density: N/A
Refractive Index: N/A
Storage Temp.: N/A
Solubility: N/A
CAS DataBase Reference: 3-imino-2,4-diphenyl-2H-1,2,4-triazole-5(4H)-carboxylic acid ethyl ester(CAS DataBase Reference)
NIST Chemistry Reference: 3-imino-2,4-diphenyl-2H-1,2,4-triazole-5(4H)-carboxylic acid ethyl ester(2273-19-0)
EPA Substance Registry System: 3-imino-2,4-diphenyl-2H-1,2,4-triazole-5(4H)-carboxylic acid ethyl ester(2273-19-0)

Safety Data

Hazard Codes: N/A
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Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 2273-19-0(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 2273-19-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,2,7 and 3 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 2273-19:
(6*2)+(5*2)+(4*7)+(3*3)+(2*1)+(1*9)=70
70 % 10 = 0
So 2273-19-0 is a valid CAS Registry Number.

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2273-19-0Relevant academic research and scientific papers

Synthesis of 1,2,4-Triazol-3-imines via Selective Stepwise Cycloaddition of Nitrile Imines with Organo-cyanamides

Sharma, Pallavi,Bhat, Shreesha V.,Prabhath, M. R. Ranga,Molino, Andrew,Nauha, Elisa,Wilson, David J. D.,Moses, John E.

, p. 4263 - 4266 (2018)

A convenient method for the synthesis of 1,2,4-triazol-3-imines through a selective, formal, 1,3-dipolar cycloaddition of organo-cyanamide ions with nitrile imine dipoles is reported. Hydrolysis of the 1,2,4-triazol-3-imines yields the corresponding 1,2,4-triazol-5-ones. A stepwise mechanism, supported by DFT calculations, is invoked to explain the reaction selectivity.

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