1203598-47-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1203598-47-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,3,5,9 and 8 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1203598-47:
(9*1)+(8*2)+(7*0)+(6*3)+(5*5)+(4*9)+(3*8)+(2*4)+(1*7)=143
143 % 10 = 3
So 1203598-47-3 is a valid CAS Registry Number.
1203598-47-3Relevant articles and documents
PHOSPHODIESTERASE 4 INHIBITORS
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Page/Page column 41, (2010/03/02)
PDE4 inhibition is achieved by novel compounds, e.g., N-substituted aniline and diphenylamine analogs. The compounds of the present invention are of Formula I: wherein R1, R2, R3, and R4 are as defined herein.