180416-55-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 180416-55-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,0,4,1 and 6 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 180416-55:
(8*1)+(7*8)+(6*0)+(5*4)+(4*1)+(3*6)+(2*5)+(1*5)=121
121 % 10 = 1
So 180416-55-1 is a valid CAS Registry Number.