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145326-21-2

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145326-21-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 145326-21-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,5,3,2 and 6 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 145326-21:
(8*1)+(7*4)+(6*5)+(5*3)+(4*2)+(3*6)+(2*2)+(1*1)=112
112 % 10 = 2
So 145326-21-2 is a valid CAS Registry Number.

145326-21-2Relevant articles and documents

Triazolines. Part 32. Synthesis of 1-Alkyl-2-aminobenzimidazoles from 5-Amino-1-(2-nitroaryl)-1,2,3-triazolines

Erba, Emanuela,Mai, Giorgio,Pocar, Donato

, p. 2709 - 2712 (2007/10/02)

5-Amino-1-(2-nitroaryl)-1,2,3-triazolines 5 are converted into 1-alkyl-2-aminobenzimidazoles 7 in refluxing triethyl phosphite.The reaction occurs via thermal rearrangement of 5 followed by nitrogen elimination which produces N2-(2-nitroaryl)am

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