106531-68-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 106531-68-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,6,5,3 and 1 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 106531-68:
(8*1)+(7*0)+(6*6)+(5*5)+(4*3)+(3*1)+(2*6)+(1*8)=104
104 % 10 = 4
So 106531-68-4 is a valid CAS Registry Number.