91606-53-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91606-53-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,6,0 and 6 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 91606-53:
(7*9)+(6*1)+(5*6)+(4*0)+(3*6)+(2*5)+(1*3)=130
130 % 10 = 0
So 91606-53-0 is a valid CAS Registry Number.