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22293-64-7

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22293-64-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 22293-64-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,2,9 and 3 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 22293-64:
(7*2)+(6*2)+(5*2)+(4*9)+(3*3)+(2*6)+(1*4)=97
97 % 10 = 7
So 22293-64-7 is a valid CAS Registry Number.

22293-64-7Downstream Products

22293-64-7Relevant articles and documents

Synthesis of new pyrimido[4,5-d]pyrimidine derivatives from 5-acetyl-6-methyl-4-methylsulfanylpyrimidine-2(1H)-thiones and guanidine

Komkov,Baranin,Dorokhov

, (2014)

Reactions of 5-acetyl-1-aryl(alkyl)-6-methyl-4-methylsulfanylpyrimidine-2(1H)-thiones (prepared from diacetylketene N,S-acetal) with guanidine afforded 3-alkyl- and 3-aryl-7-amino-5-methyl-4-methylidene-3,4-dihydropyrimido[4,5-d]pyrimidine-2(1H)-thiones.

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