116871-21-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 116871-21-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,6,8,7 and 1 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 116871-21:
(8*1)+(7*1)+(6*6)+(5*8)+(4*7)+(3*1)+(2*2)+(1*1)=127
127 % 10 = 7
So 116871-21-7 is a valid CAS Registry Number.
116871-21-7Relevant articles and documents
PROCESS FOR THE PREPARATION OF 3-AROYL-5-AMINOBENZOFURAN DERIVATIVES
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, (2012/05/31)
The present invention relates to a process for the preparation of 3-aroyl -5- aminobenzofuran derivatives useful as antiarrhythmic drugs which avoids the use of nitro intermediates.
