123102-61-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 123102-61-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,1,0 and 2 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 123102-61:
(8*1)+(7*2)+(6*3)+(5*1)+(4*0)+(3*2)+(2*6)+(1*1)=64
64 % 10 = 4
So 123102-61-4 is a valid CAS Registry Number.