180901-78-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 180901-78-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,0,9,0 and 1 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 180901-78:
(8*1)+(7*8)+(6*0)+(5*9)+(4*0)+(3*1)+(2*7)+(1*8)=134
134 % 10 = 4
So 180901-78-4 is a valid CAS Registry Number.