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225517-51-1

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225517-51-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 225517-51-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,5,5,1 and 7 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 225517-51:
(8*2)+(7*2)+(6*5)+(5*5)+(4*1)+(3*7)+(2*5)+(1*1)=121
121 % 10 = 1
So 225517-51-1 is a valid CAS Registry Number.

225517-51-1Relevant articles and documents

1-arylnaphthalene lignan: A novel scaffold for type 5 phosphodiesterase inhibitor

Ukita, Tatsuzo,Nakamura, Yoshinori,Kubo, Akira,Yamamoto, Yasuo,Takahashi, Masami,Kotera, Jun,Ikeo, Tomohiro

, p. 1293 - 1305 (2007/10/03)

1-Arylnaphthalene lignan, which had been reported as a PDE4 inhibitor by Iwasaki, was disclosed as a new structural class of PDE5 inhibitors. The structural requirements for potent and specific PDE5 inhibition were revealed in a 1-arylnaphthalene lignan s

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