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105220-93-7

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105220-93-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 105220-93-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,5,2,2 and 0 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 105220-93:
(8*1)+(7*0)+(6*5)+(5*2)+(4*2)+(3*0)+(2*9)+(1*3)=77
77 % 10 = 7
So 105220-93-7 is a valid CAS Registry Number.

105220-93-7Downstream Products

105220-93-7Relevant articles and documents

N-ACETYLINDOXYL IN THE SYNTHESIS OF NEW CONDENSED HETEROCYCLES

Ryabova, S. Yu.,Grinev, A. N.,Kurilo, G. N.

, p. 1076 - 1078 (1987)

Derivatives of a new heterocyclic system thienopyrimidoindole, were obtained by the reaction of substituted N,O-diacetylindoxyls with excess N-(2-methyl-3-ethoxycarbonyl-4-thienyl)hydrazine.The reaction of N-acetylindoxyl and 4-hydrazinouracil forms 12-amino-1,3-dioxo-2,4,6-trimethylpyrimidopyrimidoindole.

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