1453171-91-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1453171-91-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,5,3,1,7 and 1 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1453171-91:
(9*1)+(8*4)+(7*5)+(6*3)+(5*1)+(4*7)+(3*1)+(2*9)+(1*1)=149
149 % 10 = 9
So 1453171-91-9 is a valid CAS Registry Number.