113169-20-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 113169-20-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,3,1,6 and 9 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 113169-20:
(8*1)+(7*1)+(6*3)+(5*1)+(4*6)+(3*9)+(2*2)+(1*0)=93
93 % 10 = 3
So 113169-20-3 is a valid CAS Registry Number.
113169-20-3Relevant academic research and scientific papers
PDE IV INHIBITORS
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Page 20, (2010/02/06)
The purpose is to provide selective PDE IV inhibitors which have a potent anti-asthmatic profile with excellent safety. A compound of the formula (1): wherein A is methylene, lower alkylmethylene, carbonyl, etc., Y is a 5- or 6-membered heteroaryl group c
