118247-57-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 118247-57-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,8,2,4 and 7 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 118247-57:
(8*1)+(7*1)+(6*8)+(5*2)+(4*4)+(3*7)+(2*5)+(1*7)=127
127 % 10 = 7
So 118247-57-7 is a valid CAS Registry Number.