66039-59-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 66039-59-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,0,3 and 9 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 66039-59:
(7*6)+(6*6)+(5*0)+(4*3)+(3*9)+(2*5)+(1*9)=136
136 % 10 = 6
So 66039-59-6 is a valid CAS Registry Number.