197894-91-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 197894-91-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,7,8,9 and 4 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 197894-91:
(8*1)+(7*9)+(6*7)+(5*8)+(4*9)+(3*4)+(2*9)+(1*1)=220
220 % 10 = 0
So 197894-91-0 is a valid CAS Registry Number.
197894-91-0Relevant academic research and scientific papers
Diazepinoindoles as phosphodiesterase 4 inhibitors
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, (2008/06/13)
Diazepinoindoles of formula (I), STR1 wherein A is mono- to trisubstituted aryl or heteroaryl, and B is an --OR1 or --NR2 R3 group where R1, R2 and R3 are particularly hydrogen, and racemic
