613240-91-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 613240-91-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,1,3,2,4 and 0 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 613240-91:
(8*6)+(7*1)+(6*3)+(5*2)+(4*4)+(3*0)+(2*9)+(1*1)=118
118 % 10 = 8
So 613240-91-8 is a valid CAS Registry Number.