1093684-40-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1093684-40-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,9,3,6,8 and 4 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1093684-40:
(9*1)+(8*0)+(7*9)+(6*3)+(5*6)+(4*8)+(3*4)+(2*4)+(1*0)=172
172 % 10 = 2
So 1093684-40-2 is a valid CAS Registry Number.