207725-19-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 207725-19-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,7,7,2 and 5 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 207725-19:
(8*2)+(7*0)+(6*7)+(5*7)+(4*2)+(3*5)+(2*1)+(1*9)=127
127 % 10 = 7
So 207725-19-7 is a valid CAS Registry Number.