68438-29-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68438-29-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,4,3 and 8 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 68438-29:
(7*6)+(6*8)+(5*4)+(4*3)+(3*8)+(2*2)+(1*9)=159
159 % 10 = 9
So 68438-29-9 is a valid CAS Registry Number.