1181578-69-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1181578-69-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,1,5,7 and 8 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1181578-69:
(9*1)+(8*1)+(7*8)+(6*1)+(5*5)+(4*7)+(3*8)+(2*6)+(1*9)=177
177 % 10 = 7
So 1181578-69-7 is a valid CAS Registry Number.