666208-59-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 666208-59-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,6,2,0 and 8 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 666208-59:
(8*6)+(7*6)+(6*6)+(5*2)+(4*0)+(3*8)+(2*5)+(1*9)=179
179 % 10 = 9
So 666208-59-9 is a valid CAS Registry Number.