401812-85-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 401812-85-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,1,8,1 and 2 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 401812-85:
(8*4)+(7*0)+(6*1)+(5*8)+(4*1)+(3*2)+(2*8)+(1*5)=109
109 % 10 = 9
So 401812-85-9 is a valid CAS Registry Number.