1415577-97-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1415577-97-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,1,5,5,7 and 7 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1415577-97:
(9*1)+(8*4)+(7*1)+(6*5)+(5*5)+(4*7)+(3*7)+(2*9)+(1*7)=177
177 % 10 = 7
So 1415577-97-7 is a valid CAS Registry Number.