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74502-77-5

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74502-77-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74502-77-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,5,0 and 2 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 74502-77:
(7*7)+(6*4)+(5*5)+(4*0)+(3*2)+(2*7)+(1*7)=125
125 % 10 = 5
So 74502-77-5 is a valid CAS Registry Number.

74502-77-5Downstream Products

74502-77-5Relevant articles and documents

Triazolopyrimidines. VI. 3-Phenyl-3H-1,2,3-triazolopyrimidine-7-carbonitrile and Related Compounds

Higashino, Takeo,Katori, Tatsuhiko,Yoshida, Shizuo,Hayashi, Eisaku

, p. 255 - 261 (2007/10/02)

Nucleophilic reagents were found to react with 3-phenyl-3H-1,2,3-triazolopyrimidine-7-carbonitrile (1) in two ways, depending on the nature of the reagent.One is substitution by attack of the reagent on the carbon at the 7-position, to which the cy

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