872191-23-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 872191-23-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,2,1,9 and 1 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 872191-23:
(8*8)+(7*7)+(6*2)+(5*1)+(4*9)+(3*1)+(2*2)+(1*3)=176
176 % 10 = 6
So 872191-23-6 is a valid CAS Registry Number.
872191-23-6Relevant articles and documents
POTASSIUM CHANNEL OPENER HAVING BENZOFUROINDOLE SKELETON
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Page/Page column 11-12, (2008/06/13)
The object of the present invention is to provide a potassium channel opener having benzofuroindole skeleton representing the following formula (I) wherein, R1 is hydrogen, R2 is CF3, R3 is COOH, R4 i