1040691-20-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1040691-20-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,4,0,6,9 and 1 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1040691-20:
(9*1)+(8*0)+(7*4)+(6*0)+(5*6)+(4*9)+(3*1)+(2*2)+(1*0)=110
110 % 10 = 0
So 1040691-20-0 is a valid CAS Registry Number.