207409-27-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 207409-27-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,7,4,0 and 9 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 207409-27:
(8*2)+(7*0)+(6*7)+(5*4)+(4*0)+(3*9)+(2*2)+(1*7)=116
116 % 10 = 6
So 207409-27-6 is a valid CAS Registry Number.