857521-63-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 857521-63-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,5,2 and 1 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 857521-63:
(8*8)+(7*5)+(6*7)+(5*5)+(4*2)+(3*1)+(2*6)+(1*3)=192
192 % 10 = 2
So 857521-63-2 is a valid CAS Registry Number.
857521-63-2Relevant academic research and scientific papers
PYRIDO[2,3-D]PYRIMIDINE-2,4-DIAMINES AS PDE 2 INHIBITORS
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Page/Page column 27, (2010/02/12)
The invention provides compounds of formula (I) prodrugs thereof, and the pharmaceutically acceptable salts of the compounds or prodrugs, wherein n, X, and Y are as defined herein; pharmaceutical compositions thereof; combinations thereof; and uses thereo
