68916-42-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68916-42-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,9,1 and 6 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 68916-42:
(7*6)+(6*8)+(5*9)+(4*1)+(3*6)+(2*4)+(1*2)=167
167 % 10 = 7
So 68916-42-7 is a valid CAS Registry Number.