345994-67-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 345994-67-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,5,9,9 and 4 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 345994-67:
(8*3)+(7*4)+(6*5)+(5*9)+(4*9)+(3*4)+(2*6)+(1*7)=194
194 % 10 = 4
So 345994-67-4 is a valid CAS Registry Number.
345994-67-4Relevant articles and documents
PYRIDO[2,3-D]PYRIMIDINE-2,4-DIAMINES AS PDE 2 INHIBITORS
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Page/Page column 25, (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
