Cas 97268-05-8,1-Benzyl-1H-pyrrolo[2,1-c][1,2,4]triazole-5,6,7-tricarboxylic acid trimethyl ester

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Check Digit Verification of cas no

The CAS Registry Mumber 97268-05-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,2,6 and 8 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 97268-05:
(7*9)+(6*7)+(5*2)+(4*6)+(3*8)+(2*0)+(1*5)=168
168 % 10 = 8
So 97268-05-8 is a valid CAS Registry Number.

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97268-05-8Relevant academic research and scientific papers

The reaction of 1-phenylmethyl-4N-acetylimino-1H-1,2,4-triazolium betain with butynedioic acid dimethyl ester

Zalupsky, Peter,Birosova, Maria,Fisera, Lubor

, p. 2916 - 2921 (2007/10/02)

The reaction between 1-phenylmethyl-4N-acetylimino-1H-1,2,4-triazolium betain(I) and dimethyl butynedioate is described.By performing the reaction at ration 1:1 the enamide III is formed.With a fivefold excess of the dipolarophile, except III, also pyrrolo-triazole XII and pyridine derivative XV were obtained.

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