207290-45-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 207290-45-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,7,2,9 and 0 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 207290-45:
(8*2)+(7*0)+(6*7)+(5*2)+(4*9)+(3*0)+(2*4)+(1*5)=117
117 % 10 = 7
So 207290-45-7 is a valid CAS Registry Number.