861555-68-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 861555-68-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,1,5,5 and 5 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 861555-68:
(8*8)+(7*6)+(6*1)+(5*5)+(4*5)+(3*5)+(2*6)+(1*8)=192
192 % 10 = 2
So 861555-68-2 is a valid CAS Registry Number.