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139455-65-5

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139455-65-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139455-65-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,4,5 and 5 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 139455-65:
(8*1)+(7*3)+(6*9)+(5*4)+(4*5)+(3*5)+(2*6)+(1*5)=155
155 % 10 = 5
So 139455-65-5 is a valid CAS Registry Number.

139455-65-5Relevant articles and documents

Synthesis and tautomeric structure of 7-arylhydrazono-7H-[1,2,4]triazolo[3,4-b]-[1,3,4]thiadiazines

Mosselhi, Mosselhi A. N.,Abdallah, Magda A.,Mohamed, Yassin F.,Shawali, Ahmad S.

, p. 487 - 496 (2002)

Two synthetic approaches were developed for the title compounds 8a-g via coupling of diazotized anilines with 7-acetyl-6-methyl-3-phenyl-7H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazine 7, and reaction of N-aryl 2-oxopropanehydrazonoyl chlorides 9 with 4-omino

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