861001-09-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 861001-09-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,1,0,0 and 1 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 861001-09:
(8*8)+(7*6)+(6*1)+(5*0)+(4*0)+(3*1)+(2*0)+(1*9)=124
124 % 10 = 4
So 861001-09-4 is a valid CAS Registry Number.