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212500-91-9

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212500-91-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 212500-91-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,2,5,0 and 0 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 212500-91:
(8*2)+(7*1)+(6*2)+(5*5)+(4*0)+(3*0)+(2*9)+(1*1)=79
79 % 10 = 9
So 212500-91-9 is a valid CAS Registry Number.

212500-91-9Relevant articles and documents

Novel, potent, and selective phosphodiesterase 5 inhibitors: Synthesis and biological activities of a series of 4-aryl-1-isoquinolinone derivatives

Ukita,Nakamura,Kubo,Yamamoto,Moritani,Saruta,Higashijima,Kotera,Takagi,Kikkawa,Omori

, p. 2204 - 2218 (2007/10/03)

A novel class of potent and selective phosphodiesterase 5 (PDE5) inhibitors, 4-aryl-1-isoquinolinone derivatives, which have been designed by the comparison of the structure of cGMP and a previously reported 1-arylnaphthalene lignan, was disclosed. Among

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