1403487-57-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1403487-57-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,0,3,4,8 and 7 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1403487-57:
(9*1)+(8*4)+(7*0)+(6*3)+(5*4)+(4*8)+(3*7)+(2*5)+(1*7)=149
149 % 10 = 9
So 1403487-57-9 is a valid CAS Registry Number.