618101-74-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 618101-74-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,1,8,1,0 and 1 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 618101-74:
(8*6)+(7*1)+(6*8)+(5*1)+(4*0)+(3*1)+(2*7)+(1*4)=129
129 % 10 = 9
So 618101-74-9 is a valid CAS Registry Number.