1247498-38-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1247498-38-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,7,4,9 and 8 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1247498-38:
(9*1)+(8*2)+(7*4)+(6*7)+(5*4)+(4*9)+(3*8)+(2*3)+(1*8)=189
189 % 10 = 9
So 1247498-38-9 is a valid CAS Registry Number.