207398-66-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 207398-66-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,7,3,9 and 8 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 207398-66:
(8*2)+(7*0)+(6*7)+(5*3)+(4*9)+(3*8)+(2*6)+(1*6)=151
151 % 10 = 1
So 207398-66-1 is a valid CAS Registry Number.