1093102-40-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1093102-40-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,9,3,1,0 and 2 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1093102-40:
(9*1)+(8*0)+(7*9)+(6*3)+(5*1)+(4*0)+(3*2)+(2*4)+(1*0)=109
109 % 10 = 9
So 1093102-40-9 is a valid CAS Registry Number.