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149179-59-9

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149179-59-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 149179-59-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,9,1,7 and 9 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 149179-59:
(8*1)+(7*4)+(6*9)+(5*1)+(4*7)+(3*9)+(2*5)+(1*9)=169
169 % 10 = 9
So 149179-59-9 is a valid CAS Registry Number.

149179-59-9Relevant articles and documents

v-Triazolines. Part 34. Thermal Behavior of 1-(2-Aminophenyl)-4,5-dihydro-5-morpholino-1,2,3-triazoles: New Synthesis of 2-Alkylquinoxalines

Battistini, Maurizio,Erba, Emanuela,Pocar, Donato

, p. 339 - 342 (2007/10/02)

4,5-Dihydro-5-morpholino-1-(2-nitrophenyl)-1,2,3-triazoles 4 are prepared by reaction of an aldehyde with morpholine and the appropriate aryl azide.On reduction 1-(2-aminophenyl)-4,5-dihydro-5-morpholino-1,2,3-triazoles 5 are formed.Thermal rearrangement of compounds 5 affords unstable 2-alkyl-3-amino-1,2,3,4-tetrahydroquinoxalines 7, which undergo deamination to 2-alkyl-1,2-dihydroquinoxalines 8.Oxidation of these affords 2-alkylquinoxalines 10.The mechanism of thermal the rearrangement of triazoles 5 is investigated and discussed.

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