861011-90-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 861011-90-7 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 1 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 861011-90:
(8*8)+(7*6)+(6*1)+(5*0)+(4*1)+(3*1)+(2*9)+(1*0)=137
137 % 10 = 7
So 861011-90-7 is a valid CAS Registry Number.