1040694-53-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1040694-53-8 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 4 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1040694-53:
(9*1)+(8*0)+(7*4)+(6*0)+(5*6)+(4*9)+(3*4)+(2*5)+(1*3)=128
128 % 10 = 8
So 1040694-53-8 is a valid CAS Registry Number.