90108-20-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90108-20-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,1,0 and 8 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 90108-20:
(7*9)+(6*0)+(5*1)+(4*0)+(3*8)+(2*2)+(1*0)=96
96 % 10 = 6
So 90108-20-6 is a valid CAS Registry Number.