660866-29-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 660866-29-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,0,8,6 and 6 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 660866-29:
(8*6)+(7*6)+(6*0)+(5*8)+(4*6)+(3*6)+(2*2)+(1*9)=185
185 % 10 = 5
So 660866-29-5 is a valid CAS Registry Number.