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255390-22-8

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255390-22-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 255390-22-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,5,3,9 and 0 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 255390-22:
(8*2)+(7*5)+(6*5)+(5*3)+(4*9)+(3*0)+(2*2)+(1*2)=138
138 % 10 = 8
So 255390-22-8 is a valid CAS Registry Number.

255390-22-8Relevant academic research and scientific papers

Synthesis of isochalcogenazole rings by treating β-(N,N- dimethylcarbamoylchalcogenenyl)alkenyl ketones with hydroxylamine-O-sulfonic acid

Shimada, Kazuaki,Moro-oka, Akiko,Maruyama, Akiko,Fujisawa, Hiroyuki,Saito, Toshio,Kawamura, Ryo,Kogawa, Hisashi,Sakuraba, Maiko,Takata, Yukichi,Aoyagi, Shigenobu,Takikawa, Yuji,Kabuto, Chizuko

, p. 567 - 577 (2008/02/11)

β-(N,N-Dimethylcarbamoylselenenyl)- and β-(N,N- dimethylcarbamoyltellurenyl)alkenyl ketones were converted into isoselenazoles and isotellurazole Te-oxides, respectively, simply by treating with hydroxylamine-O-sulfonic acid, and deoxygenation of the latt

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