68844-90-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68844-90-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,8,4 and 4 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 68844-90:
(7*6)+(6*8)+(5*8)+(4*4)+(3*4)+(2*9)+(1*0)=176
176 % 10 = 6
So 68844-90-6 is a valid CAS Registry Number.