1040688-31-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1040688-31-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,4,0,6,8 and 8 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1040688-31:
(9*1)+(8*0)+(7*4)+(6*0)+(5*6)+(4*8)+(3*8)+(2*3)+(1*1)=130
130 % 10 = 0
So 1040688-31-0 is a valid CAS Registry Number.