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77976-40-0

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77976-40-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77976-40-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,9,7 and 6 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 77976-40:
(7*7)+(6*7)+(5*9)+(4*7)+(3*6)+(2*4)+(1*0)=190
190 % 10 = 0
So 77976-40-0 is a valid CAS Registry Number.

77976-40-0Relevant articles and documents

v-Triazolopyrimidines (8-Azapurines). Part 23. Synthesis and Properties of N-Alkyl-1,6-dihydro-8-azapurin-2-thiones. Migration (N->N') of Acyl Group in 5-Aminomethyl-4-oxamoylamino-1,2,3-triazoles

Albert, Adrien

, p. 887 - 891 (2007/10/02)

1,6-Dihydro-7-(and 8-)methyl-8-azapurine-2-thione (1a and b) were made by the action of carbon disulphide on 4-amino-5-aminomethyl-1-(and 2)-methyl-1(and 2)H-1,2,3-triazole (2c and b) respectively.These thiones were methylated to the corresponding 2-methy

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