1403660-69-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1403660-69-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,0,3,6,6 and 0 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1403660-69:
(9*1)+(8*4)+(7*0)+(6*3)+(5*6)+(4*6)+(3*0)+(2*6)+(1*9)=134
134 % 10 = 4
So 1403660-69-4 is a valid CAS Registry Number.