68142-50-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68142-50-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,1,4 and 2 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 68142-50:
(7*6)+(6*8)+(5*1)+(4*4)+(3*2)+(2*5)+(1*0)=127
127 % 10 = 7
So 68142-50-7 is a valid CAS Registry Number.