1173406-93-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1173406-93-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,3,4,0 and 6 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1173406-93:
(9*1)+(8*1)+(7*7)+(6*3)+(5*4)+(4*0)+(3*6)+(2*9)+(1*3)=143
143 % 10 = 3
So 1173406-93-3 is a valid CAS Registry Number.