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475273-25-7

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475273-25-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 475273-25-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,7,5,2,7 and 3 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 475273-25:
(8*4)+(7*7)+(6*5)+(5*2)+(4*7)+(3*3)+(2*2)+(1*5)=167
167 % 10 = 7
So 475273-25-7 is a valid CAS Registry Number.

475273-25-7Relevant articles and documents

Synthesis of 1,2-dihydrobenz[c]azepin-3-one via acid-catalyzed cyclization of N-arylmethyl-N-methyl-3-phenylsulfanylacrylamide

Horiguchi, Yoshie,Saitoh, Toshiaki,Kashiwagi, Tomoko,Katura, Lisa,Itagaki, Mayumi,Toda, Jun,Sano, Takehiro

, p. 1063 - 1077 (2007/10/03)

Treatment of N-arylmethyl-N-methyl-cis-3-phenylsulfanyl acrylamide (5) with p-toluenesulfonic acid induced two reactions; cyclization to 1,2-dihydrobenz[c]azepin-3-ones (7) and N-dearylmethylation to N-methylacrylamides (9 and 10) depending on the structu

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