91906-06-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91906-06-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,9,0 and 6 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 91906-06:
(7*9)+(6*1)+(5*9)+(4*0)+(3*6)+(2*0)+(1*6)=138
138 % 10 = 8
So 91906-06-8 is a valid CAS Registry Number.