1040692-81-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1040692-81-6 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 2 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1040692-81:
(9*1)+(8*0)+(7*4)+(6*0)+(5*6)+(4*9)+(3*2)+(2*8)+(1*1)=126
126 % 10 = 6
So 1040692-81-6 is a valid CAS Registry Number.