64123-61-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 64123-61-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,1,2 and 3 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 64123-61:
(7*6)+(6*4)+(5*1)+(4*2)+(3*3)+(2*6)+(1*1)=101
101 % 10 = 1
So 64123-61-1 is a valid CAS Registry Number.