871115-64-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 871115-64-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,1,1,1 and 5 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 871115-64:
(8*8)+(7*7)+(6*1)+(5*1)+(4*1)+(3*5)+(2*6)+(1*4)=159
159 % 10 = 9
So 871115-64-9 is a valid CAS Registry Number.