68019-37-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68019-37-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,0,1 and 9 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 68019-37:
(7*6)+(6*8)+(5*0)+(4*1)+(3*9)+(2*3)+(1*7)=134
134 % 10 = 4
So 68019-37-4 is a valid CAS Registry Number.