Cas 52143-13-2,1-(4-Nitro-phenyl)-3,6-diphenyl-1,4-dihydro-[1,2,4,5]tetrazine

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Check Digit Verification of cas no

The CAS Registry Mumber 52143-13-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,1,4 and 3 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 52143-13:
(7*5)+(6*2)+(5*1)+(4*4)+(3*3)+(2*1)+(1*3)=82
82 % 10 = 2
So 52143-13-2 is a valid CAS Registry Number.

52143-13-2Upstream product

117612-93-8 N-(4-Nitro-phenyl)-N'-[1-phenyl-1-(5-phenyl-tetrazol-2-yl)-meth-(Z)-ylidene]-hydrazine

52143-13-2Downstream Products

52143-13-2Relevant academic research and scientific papers

Controlled 1,5-Cyclisation to N-Aminotriazoles and 1,6-Cyclisation to Substituted 1,2,4,5-Tetrazines in Substituted Benzonitrile N-imides from Thermolysis of 2-Hydrazonoyltetrazole Derivatives.

Butler, Richard N.,Cunningham, Desmond,Fitzgerald, Kevin J.,Mc Ardle, Patric,Quinn, K. Fergal

, p. 2711 - 2741 (2007/10/02)

p-Substituted benzonitrile N-imides undergo a 6Π-electrocyclization to give 4-amino-1,2,4-triazoles in the absence of acid.If the nitrile imides are generated in the presence of a proton source such as H2O or organic aci

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