Cas 313496-72-9,5-ethylthio-2-p-toluoylamino-1,3,4-thiadiazole

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Check Digit Verification of cas no

The CAS Registry Mumber 313496-72-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,3,4,9 and 6 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 313496-72:
(8*3)+(7*1)+(6*3)+(5*4)+(4*9)+(3*6)+(2*7)+(1*2)=139
139 % 10 = 9
So 313496-72-9 is a valid CAS Registry Number.

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313496-72-9Relevant academic research and scientific papers

Regiospecific alkylation of 5-substituted 2-acylamino-1, 3,4-thiadiazoles

Choo, Nam Sook,Hwang, Hye Jeong,Kim, Jin-Gyu,Suh, Il-Hwan

, p. 579 - 587 (2001)

5-Substituted 2-acylamino-1,3,4-thiadiazoles (2 and 3b) are quantitatively and regiospecifically alkylated with alkyl bromide at the 3-position nitrogen (endo-products) rather than at the 2-position amide-nitrogen (exo-products) under basic conditions. Th

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