47018-91-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 47018-91-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,7,0,1 and 8 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 47018-91:
(7*4)+(6*7)+(5*0)+(4*1)+(3*8)+(2*9)+(1*1)=117
117 % 10 = 7
So 47018-91-7 is a valid CAS Registry Number.