39223-90-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 39223-90-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,2,2 and 3 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 39223-90:
(7*3)+(6*9)+(5*2)+(4*2)+(3*3)+(2*9)+(1*0)=120
120 % 10 = 0
So 39223-90-0 is a valid CAS Registry Number.
39223-90-0Relevant academic research and scientific papers
FUSED HETEROCYCLIC COMPOUNDS
-
Page/Page column 100, (2012/01/13)
The present invention provides a compound which has the effect of PDE inhibition, and which is useful as an agent for preventing or treating schizophrenia. The compound is represented by the formula (I): wherein the symbols are defined in the specification.