861018-65-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 861018-65-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,1,0,1 and 8 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 861018-65:
(8*8)+(7*6)+(6*1)+(5*0)+(4*1)+(3*8)+(2*6)+(1*5)=157
157 % 10 = 7
So 861018-65-7 is a valid CAS Registry Number.