663160-26-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 663160-26-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,3,1,6 and 0 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 663160-26:
(8*6)+(7*6)+(6*3)+(5*1)+(4*6)+(3*0)+(2*2)+(1*6)=147
147 % 10 = 7
So 663160-26-7 is a valid CAS Registry Number.