68412-75-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68412-75-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,4,1 and 2 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 68412-75:
(7*6)+(6*8)+(5*4)+(4*1)+(3*2)+(2*7)+(1*5)=139
139 % 10 = 9
So 68412-75-9 is a valid CAS Registry Number.