667910-05-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 667910-05-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,7,9,1 and 0 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 667910-05:
(8*6)+(7*6)+(6*7)+(5*9)+(4*1)+(3*0)+(2*0)+(1*5)=186
186 % 10 = 6
So 667910-05-6 is a valid CAS Registry Number.