861091-71-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 861091-71-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,1,0,9 and 1 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 861091-71:
(8*8)+(7*6)+(6*1)+(5*0)+(4*9)+(3*1)+(2*7)+(1*1)=166
166 % 10 = 6
So 861091-71-6 is a valid CAS Registry Number.