42013-63-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42013-63-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,0,1 and 3 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 42013-63:
(7*4)+(6*2)+(5*0)+(4*1)+(3*3)+(2*6)+(1*3)=68
68 % 10 = 8
So 42013-63-8 is a valid CAS Registry Number.